Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
A type of white blood cell (WBC) that is produced in the bone marrow or spleen. It is part of the immune system. Mature B cells (plasma cells) produce antibodies to fight infection and disease. Tumors can develop within them (e.g., B cell lymphoma). More Information on B Cells: Leukemia & Bone Cancer
A group of bacteria found in soil and water. Often resistant to antibiotics, it poses little risk to healthy people but may affect those with weakened immune systems or chronic lung disease, particularly cystic fibrosis. More Information on B Cepacia: Infectious Disease Basics
Also Known As: "Ciliary Dysentery, Balantidium Coli Infection, Balantidium Infection, Balantidosis"
Infection by protozoa of the genus Balantidium. Also known as B. coli, it typically is asymptomatic in humans. When symptoms do occur, they may include rapid onset of nausea, vomiting, abdominal discomfort or pain, and bloody diarrhea. More Information on B Coli Infection: Gastroenteritis & Food Illness
A group of vitamins that includes B1, B2, B6, B12, niacin, folic acid, biotin and pantothenic acid. They are important in metabolic activity and in making red blood cells, which carry oxygen throughout the body. More Information on B Complex Vitamins: Vitamins
A type of white blood cell (WBC) that is produced in the bone marrow or spleen. It is part of the immune system. Mature B cells (plasma cells) produce antibodies to fight infection and disease. Tumors can develop within them (e.g., B cell lymphoma). More Information on B Lymphocytes: Leukemia & Bone Cancer
Also Known As: "Herpes B Virus, Herpes B, Cercopithecine Herpesvirus, Herpesvirus 1"
An infectious agent commonly found among macaque monkeys. It is rare in humans, but is often fatal when it does occur. People at increased risk for the virus include veterinarians and laboratory workers. More Information on B Virus: Infectious Disease Basics
A group of vitamins that includes B1, B2, B6, B12, niacin, folic acid, biotin and pantothenic acid. They are important in metabolic activity and in making red blood cells, which carry oxygen throughout the body. More Information on B Vitamins: Vitamins
Any of several tickborne diseases due to infection with protozoa of the genus Babesia. More than 100 species have been reported, but only a few infect humans. Infections are transmitted from animals to humans. More Information on Babesia Infection: Parasitic Disease
Any of several tickborne diseases due to infection with protozoa of the genus Babesia. More than 100 species have been reported, but only a few infect humans. Infections are transmitted from animals to humans. More Information on Babesiosis: Parasitic Disease
"Baby Adoption" is more commonly referred to as "Adoption" in the medical community. Adoption
Also Known As: "Child Adoption"
Legal creation of a parent-child relationship between people who are not of that biological relationship. It is a common alternative for people with fertility issues. More Information on Adoption: Fertility Issues
"Baby Blues" is more commonly referred to as "Postpartum Blues" in the medical community. Postpartum Blues
Mood swings that women frequently experience for several weeks after delivery of a baby. Symptoms include sadness and anxiety. Blues that don't resolve within a few weeks are called postpartum depression and require treatment. More Information on Postpartum Blues: Depression & Bipolar
Also Known As: "Severe Early Childhood Caries, Bottle Mouth, Early Childhood Tooth Decay"
Severe tooth decay in infants and young children. The front upper teeth are usually the first affected. More Information on Baby Bottle Tooth Decay: Pediatric Dental
"Baby Measles" is more commonly referred to as "Roseola" in the medical community. Roseola
Also Known As: "Roseola Infantum, Sixth Disease, Exanthem Subitum, Pseudorubella"
An acute viral infection that affects infants and small children. Symptoms include high fever and skin rash. More Information on Roseola: Skin Related Infections
Also Known As: "Deciduous Teeth, Primary Teeth, Deciduous Dentition"
The first set of teeth that develop in a child. These teeth assist in feeding and speech and function as placeholders for the developing permanent teeth. These teeth require dental care similar to that for permanent teeth, including dental visits. More Information on Baby Teeth: Oral Health Basics
"Bacillary Dysentery" is more commonly referred to as "Shigellosis" in the medical community. Shigellosis
Also Known As: "Shigella Infection"
A type of dysentery caused by the Shigella bacteria and is characterized by bloody diarrha. It may also cause high fever and dehydration. More Information on Shigellosis: Gastroenteritis & Food Illness
"Bacillus Anthracis Infection" is more commonly referred to as "Anthrax" in the medical community. Anthrax
Also Known As: "Gastrointestinal Anthrax, Cutaneous Anthrax, Inhalation Anthrax"
A rare but serious bacterial infection that is housed in spores. The three main types affect the skin (cutaneous), lungs (inhalation) or gastrointestinal tract (gastrointestinal). Although anthrax may affect livestock workers, it is now a potential bioterror threat. More Information on Anthrax: Bioterror Related Diseases
A type of bacteria used primarily as a vaccine against tuberculosis, but may also be used to stimulate the immune system in the treatment of cancer. More Information on Bacillus Calmette Guerin: Chemo & Radiation Therapy
Bacteria found in soil and dust that causes food poisoning in humans. It may cause diarrhea or vomiting and typically occurs within one to five hours of exposure. Duration typically is 24 hours. More Information on Bacillus Cereus: Gastroenteritis & Food Illness
Also Known As: "Lumbosacral Belts, Raney Flexion Jackets, Lumbar Braces, Williams Braces, Hyperextension Braces, Sacroiliac Belts, Chair Back Braces, Molded Jackets"
Devices used to help stabilize the lower back. There are many types, including various belts, corsets, braces and jackets. More Information on Back Braces: Head & Spine Injury
Also Known As: "Upper Back Pain, Lumbago, Back Problems, Low Back Pain"
One of the most common health problems in the United States, often caused by arthritis but also caused by stress, lack of sleep, being overweight and poor posture. More Information on Back Pain: Back, Neck & Shoulder Pain
Also Known As: "Upper Back Pain, Lumbago, Low Back Pain"
One of the most common health problems in the United States, often caused by arthritis but also caused by stress, lack of sleep, being overweight and poor posture. More Information on Back Problems: Back, Neck & Shoulder Pain
A back sprain is a stretching or tearing of ligaments in the back. A back strain is a stretching or tearing of muscle in the back. Either condition can cause sudden pain and swelling in a joint or muscle. More Information on Back Sprain or Strain: Back, Neck & Shoulder Pain
"Back Surgery" is more commonly referred to as "Spine Surgery" in the medical community. Spine Surgery
Also Known As: "Spinal Surgery"
Surgery to correct pain and other symptoms caused by damage to the cervical spine (in the neck), thoracic spine (in the middle back, connected to the ribcage) or lumbar spine (in the lower back, connected to the tailbone and pelvis). More Information on Spine Surgery: Back, Neck & Shoulder Pain
Early stage of retinopathy in which tiny blood vessels in the retina of the eye become swollen and leak fluid. In 80 percent of cases, vision is not affected and the disease does not progress to other stages. People with diabetes are at higher risk. More Information on Background Retinopathy: Eye Conditions
Tiny, one-celled organisms that reproduce quickly. Not all bacteria are harmful, but some cause disease. More Information on Bacteria: Infectious Disease Basics
"Bacterial Conjunctivitis" is more commonly referred to as "Pink Eye" in the medical community. Pink Eye
Also Known As: "Viral Conjunctivitis, Infectious Conjunctivitis"
Inflammation of the conjunctiva, the tissue lining the inside of the eyelid, that is caused by an infection. More Information on Pink Eye: Eye Conditions
"Bacterial Endocarditis" is more commonly referred to as "Endocarditis" in the medical community. Endocarditis
Also Known As: "Rheumatic Endocarditis, Acute Endocarditis, Valvular Endocarditis, Infective Endocarditis, Mural Endocarditis"
An inflammation (most often from an infection) in vulnerable areas of the endocardium -- the innermost layer of the heart's chambers and valves. It most commonly affects individuals with existing valvular heart diseases or defects. More Information on Endocarditis: Heart Injuries & Infections
Inflammation of the stomach and intestines caused by one of many different types of bacteria or bacterial toxins. Improperly prepared food is among the causes. More Information on Bacterial Gastroenteritis: Gastroenteritis & Food Illness
"Bacterial Labyrinthitis" is more commonly referred to as "Labyrinthitis" in the medical community. Labyrinthitis
Also Known As: "Viral Labyrinthitis"
Inflammation of the canals of the inner ear, usually due to bacterial or viral infection. Because the inner ear helps a person maintain balance, symptoms usually include dizziness and a sensation of spinning. More Information on Labyrinthitis: Ear Conditions
"Bacterial Meningitis" is more commonly referred to as "Meningitis" in the medical community. Meningitis
Also Known As: "Aseptic Meningitis, Meningococcal Disease, Viral Aseptic Meningitis, Viral Meningitis"
An inflammation of the meninges (the membranes that protect the brain and spinal cord) due to infection by bacteria, viruses or fungi. More Information on Meningitis: Brain Related Infections
"Bacterial Pericarditis" is more commonly referred to as "Pericarditis" in the medical community. Pericarditis
Also Known As: "Adhesive Pericarditis, Postmyocardial Pericarditis, Acute Pericarditis, Polyserositis, Chronic Pericarditis, Constrictive Pericarditis"
An inflammation of the pericardium - a thin, fluid-filled sac surrounding the heart. It is frequently associated with chest pain that worsens with deep breaths. More Information on Pericarditis: Heart Injuries & Infections
"Bacterial Pneumonia" is more commonly referred to as "Pneumonia" in the medical community. Pneumonia
Also Known As: "Irritant Pneumonia, Fungal Pneumonia, Allergic Pneumonia, Parasitic Pneumonia, Chemical Pneumonia, Viral Pneumonia"
Inflammation of the lungs with congestion that may be caused by infection (e.g., bacteria, virus, fungi, parasites) or irritants (e.g., allergens, pollutants, chemicals). Common symptoms include fever, chills, coughing and/or difficulty breathing. More Information on Pneumonia: Pneumonia & Lung Infection
"Bacterial Prostatitis" is more commonly referred to as "Prostatitis" in the medical community. Prostatitis
Also Known As: "Chronic Prostatis, Chronic Bacterial Prostatitis, Asymptomatic Inflammatory Prostatis, Chronic Pelvic Pain Syndrome, Acute Prostatis"
Acute or chronic inflammation of the prostate gland. About half of men experience this at some point. Bacterial infection is a common cause, but there are other causes as well. May cause problems with urination. More Information on Prostatitis: Prostate & Testicular
"Bacterial Resistance" is more commonly referred to as "Antibiotic Resistance" in the medical community. Antibiotic Resistance
Also Known As: "Antimicrobial Resistance"
The ability of a microorganism to withstand the effects of an antibiotic. The improper use of antibiotics has made a number of these drugs less effective against certain bacteria. More Information on Antibiotic Resistance: Cold & Infections Medications
"Bacteriuria" is more commonly referred to as "Asymptomatic Bacteriuria" in the medical community. Asymptomatic Bacteriuria
Also Known As: "ASB"
A type of urinary tract infection caused by bacteria that does not produce any of the usual symptoms. It affects nearly one fifth of people with diabetes (primarily women) and can lead to kidney problems if untreated. More Information on Asymptomatic Bacteriuria: Urinary & Bladder
A brand of antibiotics, medications that kill or slow the growth of harmful microorganisms, such as bacteria. They have no effect on viruses. They are used to treat some heart infections and to prevent infections in high-risk patients. More Information on Bactrim: Heart Drug & Medication
"Bad Breath" is more commonly referred to as "Halitosis" in the medical community. Halitosis
Also Known As: "Oral Malodor"
An unpleasant odor in the mouth that may be caused by tooth decay, smoking, gum disease, digestive problems or certain other diseases. More Information on Halitosis: Mouth & Tongue Disorders
"Bad Cholesterol" is more commonly referred to as "Low Density Lipoprotein" in the medical community. Low Density Lipoprotein
Also Known As: "LDL Cholesterol, LDL, Cholesterol LDL"
Low-density lipoproteins, or "bad" cholesterol, contain more fat and less protein than HDLs. LDLs are unstable; they tend to fall apart. Rather than being removed from the body by the liver, they stick to artery walls and contribute to plaque build-up. More Information on Low Density Lipoprotein: Cholesterol
"Bai Zhi" is more commonly referred to as "Angelica Root" in the medical community. Angelica Root
Also Known As: "Archangelica Root, Dong Quai, Angelicae Pubescentis, Holy Ghost Root, Angelicae Dahuricae, Archangel Root, Dang Gui"
A root from any of a group of Angelica plants or herbs. It may be used in aromatherapy and perfumes. However, some cultures use it as an herbal remedy for loss of appetite, gas or other gastrointestinal problems. More Information on Angelica Root: Herbs & Supplements
Also Known As: "Balantidosis, B Coli Infection, Ciliary Dysentery, Balantidium Coli Infection, Balantidium Infection"
Infection by protozoa of the genus Balantidium. Also known as B. coli, it typically is asymptomatic in humans. When symptoms do occur, they may include rapid onset of nausea, vomiting, abdominal discomfort or pain, and bloody diarrhea. More Information on Balantidiasis: Gastroenteritis & Food Illness
Also Known As: "Ciliary Dysentery, Balantidium Infection, Balantidosis, B Coli Infection"
Infection by protozoa of the genus Balantidium. Also known as B. coli, it typically is asymptomatic in humans. When symptoms do occur, they may include rapid onset of nausea, vomiting, abdominal discomfort or pain, and bloody diarrhea. More Information on Balantidium Coli Infection: Gastroenteritis & Food Illness
Also Known As: "Ciliary Dysentery, Balantidosis, B Coli Infection, Balantidium Coli Infection"
Infection by protozoa of the genus Balantidium. Also known as B. coli, it typically is asymptomatic in humans. When symptoms do occur, they may include rapid onset of nausea, vomiting, abdominal discomfort or pain, and bloody diarrhea. More Information on Balantidium Infection: Gastroenteritis & Food Illness
Also Known As: "B Coli Infection, Ciliary Dysentery, Balantidium Coli Infection, Balantidium Infection"
Infection by protozoa of the genus Balantidium. Also known as B. coli, it typically is asymptomatic in humans. When symptoms do occur, they may include rapid onset of nausea, vomiting, abdominal discomfort or pain, and bloody diarrhea. More Information on Balantidosis: Gastroenteritis & Food Illness
A method of measuring and recording the forces exerted on the body by the regular pumping action of the heart. No longer in use, its purpose was to determine cardiac output, the amount of blood pumped from the heart per minute.
Also Known As: "Coronary Angioplasty, Cerebral Angioplasty, Percutaneous Transluminal Coronary Angioplasty, Angioplasty, Peripheral Percutaneous Transluminal Angioplasty, PTCA, Balloon Dilation"
A procedure for the treatment of narrowed arteries. A balloon-tipped catheter is inserted into an artery, most commonly the coronary arteries, to press plaque back against the vessel wall. This widens or unblocks the artery to restore blood flow. More Information on Balloon Angioplasty: Catheter Tests & Procedures
Also Known As: "Rashkind Procedure, Atrial Septostomy, Rashkind Umbrella Device, Rashkind Atrial Septostomy"
Used to treat babies with one or more heart defects. If the baby's oxygen supply is low, and there is a hole in the wall between the left and right atria, then a balloon can be inserted into the hole and inflated to widen it, improving oxygen supply. More Information on Balloon Atrial Septostomy: Pediatric Heart
A thin hollow tube (catheter) with a balloon at the tip that is used in some tests and procedures. The catheter is threaded through a blood vessel, where the balloon can be inflated by injecting air, saline or a contrast medium through the catheter. More Information on Balloon Catheter: Catheter Tests & Procedures
"Balloon Commissurotomy" is more commonly referred to as "Heart Valve Procedures" in the medical community. Heart Valve Procedures
Also Known As: "Valvoplasty, Annuloplasty, Commissurotomy, Valvotomy, Percutaneous Balloon Valvuloplasty, Valvulotomy, Balloon Valvuloplasty"
Various procedures to repair or replace heart valves that are damaged as the result of valvular heart disease. More Information on Heart Valve Procedures: Heart Valve
Also Known As: "Coronary Angioplasty, Cerebral Angioplasty, Percutaneous Transluminal Coronary Angioplasty, Angioplasty, Peripheral Percutaneous Transluminal Angioplasty, PTCA"
A procedure for the treatment of narrowed arteries. A balloon-tipped catheter is inserted into an artery, most commonly the coronary arteries, to press plaque back against the vessel wall. This widens or unblocks the artery to restore blood flow. More Information on Balloon Dilation: Catheter Tests & Procedures
"Balloon Pump" is more commonly referred to as "Intraaortic Balloon Pump" in the medical community. Intraaortic Balloon Pump
Also Known As: "Intraaortic Balloon Counterpulsation, IABP, IABC, Intra aortic Balloon Pump"
A temporary inflatable device placed in the aorta to reduce the heart's workload and improve blood flow. It is used for short periods, such as after a heart attack, immediately before or after open-heart surgery or while waiting for a transplant. More Information on Intraaortic Balloon Pump: Heart Failure
"Balloon Valvuloplasty" is more commonly referred to as "Heart Valve Procedures" in the medical community. Heart Valve Procedures
Also Known As: "Valvoplasty, Annuloplasty, Commissurotomy, Valvotomy, Percutaneous Balloon Valvuloplasty, Balloon Commissurotomy, Valvulotomy"
Various procedures to repair or replace heart valves that are damaged as the result of valvular heart disease. More Information on Heart Valve Procedures: Heart Valve
A thin hollow tube (catheter) with a balloon at the tip that is used in some tests and procedures. The catheter is threaded through a blood vessel, where the balloon can be inflated by injecting air, saline or a contrast medium through the catheter. More Information on Balloon-Tipped Catheter: Catheter Tests & Procedures
An anti-inflammatory medication that reduces inflammation in the colon used in the treatment of inflammatory bowel disease. More Information on Balsalazide: Digestive Medications
"Bamboo Spine" is more commonly referred to as "Ankylosing Spondylitis" in the medical community. Ankylosing Spondylitis
Also Known As: "Ankylosis Spondylitis, Rheumatoid Spondylitis, Marie Strümpell Spondylitis"
Chronic disease primarily affecting the spine, which may lead to stiffness of the back. The joints and ligaments that allow the back to move become inflamed, which eventually may cause them to fuse together. More Information on Ankylosing Spondylitis: Arthritis
"Bandy Leg" is more commonly referred to as "Bowleg" in the medical community. Bowleg
A condition in which the legs bend or curve outward in an abnormal way at or below the knees. It can be the result of malnutrition or conditions such as arthritis. More Information on Bowleg: Arm & Leg Pain
"BAR" is more commonly referred to as "Bile Acid Resins" in the medical community. Bile Acid Resins
Also Known As: "Bile Acid Sequestring Resins, Bile Acid Sequestrants"
A type of medication used in the treatment of high blood lipids levels (e.g., cholesterol and triglycerides). They prevent the recycling of bile acids in the intestine so the liver is forced to remove more cholesterol from the blood to make bile. More Information on Bile Acid Resins: Cholesterol
An infection with the Staph bacteria in areas regularly shaven (beard in men, legs or underarms in women). It is marked by itchy, white, pus-filled bumps. It may also refer to a fungal infection (tinea barbae) occuring in those areas. More Information on Barber Itch: Skin Related Infections
Also Known As: "Weight Loss Procedures, Restrictive Bariatric Procedures, Weight Loss Surgery, Malabsorptive Bariatric Procedures"
Surgery on the digestive organs (e.g., stomach, intestines) for the purpose of weight loss. Restrictive procedures decrease food intake and promote fullness while malabsorptive procedures reduce the calories and nutrients the body absorbs. More Information on Bariatric Surgery: Bariatric Surgery
A material that can be ingested (as a solid or liquid) prior to imaging tests (e.g., x-ray or fluoroscopic exam) and that appears opaque. This allows physicians to see how liquids and solids move through various areas of the digestive system. More Information on Barium: Digestive Imaging Tests
A test in which the patient digests food containing barium to determine if the stomach can adequately process food. It may also refer to a liquid test assessing the esophagus, stomach and/or duodenum (more commonly called a barium swallow). More Information on Barium Beefsteak Meal: Digestive Imaging Tests
A test in which the patient, after fasting, ingests solids or liquids containing barium (a material that shows opaque during imaging tests (e.g., x-ray or fluoroscopic exam. The imaging test is then performed, creating images of the digestive tract. More Information on Barium Contrast Study: Digestive Imaging Tests
"Barium Enema" is more commonly referred to as "Lower GI Barium Tests" in the medical community. Lower GI Barium Tests
Also Known As: "Air Contrast Barium Enema, Lower GI Series, Single Contrast Barium Enema, Barium Enema X-Ray, Double Contrast Barium Enema"
An imaging test taken after a chemical compound containing barium is administered into the patient's rectum through a tube (enema). The barium coats the colon and rectum for easier viewing on x-rays and helps reveal abnormalities such as polyps. More Information on Lower GI Barium Tests: Digestive Imaging Tests
"Barium Enema X-Ray" is more commonly referred to as "Lower GI Barium Tests" in the medical community. Lower GI Barium Tests
Also Known As: "Air Contrast Barium Enema, Lower GI Series, Single Contrast Barium Enema, Double Contrast Barium Enema, Barium Enema"
An imaging test taken after a chemical compound containing barium is administered into the patient's rectum through a tube (enema). The barium coats the colon and rectum for easier viewing on x-rays and helps reveal abnormalities such as polyps. More Information on Lower GI Barium Tests: Digestive Imaging Tests
"Barium Esophagram" is more commonly referred to as "Upper GI Barium Tests" in the medical community. Upper GI Barium Tests
Also Known As: "Esophagram, Upper GI Series, Barium Swallow"
A test in which the patient, after fasting, ingests solids or liquids containing barium (which coats organs and shows up as opaque) prior to an imaging test (e.g., x-ray) of the upper GI system (e.g., mouth, pharynx, esophagus, stomach and duodenum). More Information on Upper GI Barium Tests: Digestive Imaging Tests
A test in which the patient digests food containing barium to determine if the stomach can adequately process food. It may also refer to a liquid test assessing the esophagus, stomach and/or duodenum (more commonly called a barium swallow). More Information on Barium Meal: Digestive Imaging Tests
"Barium Swallow" is more commonly referred to as "Upper GI Barium Tests" in the medical community. Upper GI Barium Tests
Also Known As: "Esophagram, Upper GI Series, Barium Esophagram"
A test in which the patient, after fasting, ingests solids or liquids containing barium (which coats organs and shows up as opaque) prior to an imaging test (e.g., x-ray) of the upper GI system (e.g., mouth, pharynx, esophagus, stomach and duodenum). More Information on Upper GI Barium Tests: Digestive Imaging Tests
A test in which the patient, after fasting, ingests solids or liquids containing barium (a material that shows opaque during imaging tests (e.g., x-ray or fluoroscopic exam. The imaging test is then performed, creating images of the digestive tract. More Information on Barium X ray: Digestive Imaging Tests
A test in which the patient, after fasting, ingests solids or liquids containing barium (a material that shows opaque) during imaging tests (e.g., x-ray or fluoroscopic exam). The imaging test is then performed, creating images of the digestive tract. More Information on Barium X ray & Cancer Diagnosis: Gastrointestinal System Cancer
A test that can detect subluxation (partial dislocation) or dislocation of the hip. An examiner moves the leg in a specific pattern while feeling for dislocation.
"Barlow Syndrome" is more commonly referred to as "Mitral Valve Prolapse" in the medical community. Mitral Valve Prolapse
Also Known As: "Billowing Mitral Cusp Syndrome, J.B. Barlow Syndrome, MVP, Floppy Valve Syndrome, Systolic Click Murmur Syndrome"
A condition in which the flaps of the mitral valve (located between the left atrium and left ventricle) are too large and cannot close properly. As a result, blood may leak back through the valve (regurgitation), when it should only move forward. More Information on Mitral Valve Prolapse: Heart Valve
A test that can detect subluxation (partial dislocation) or dislocation of the hip. An examiner moves the leg in a specific pattern while feeling for dislocation.
A precancerous condition in which the cells lining the lower part of the esophagus are changed or replaced with abnormal cells. Backup of stomach contents (reflux, heartburn) can cause this condition over time. More Information on Barrett's Esophagitis: GERD & Heartburn
A precancerous condition in which the cells lining the lower part of the esophagus are changed or replaced with abnormal cells. Backup of stomach contents (reflux, heartburn) can cause this condition over time. More Information on Barrett's Esophagus: GERD & Heartburn
A rare metabolic and neurological condition present from birth that often involves problems with metabolism, heart function, muscle tone and the immune system. If also may cause delays in growth and motor skill development. More Information on Barth Syndrome: Pediatric Brain & Nerve
Lump caused by blockage of one of the Bartholin glands, which produce fluids that lubricate the opening to the vagina. These cysts often do not need treatment but sometimes need to be surgically removed or, if they become infected, to be drained. More Information on Bartholin Cyst: Vaginal & Cervical Health
Two glands located below the opening of the vagina that produce fluids to provide lubrication. More Information on Bartholin Glands: Vaginal & Cervical Health
Temperature of a body at rest. Taken to help determine the time of ovulation, it must be done before any other activity such as eating or rising from bed. More Information on Basal Body Temperature: Fertility Issues
A process that combines the use of long-acting insulin medication (basal doses) with fast-acting insulin medications (bolus doses) at mealtimes. It is designed to achieve similar blood sugar (glucose) control as using an insulin pump. More Information on Basal Bolus Insulin Administration: Insulin
The most common type of non-melanoma skin cancer. It begins in the basal cells, the lowest layer of the epidermis (the outer skin layer). It usually results from exposure to sunlight and causes shiny, raised bumps that may bleed. More Information on Basal Carcinoma: Skin Cancer
The most common type of non-melanoma skin cancer. It begins in the basal cells, the lowest layer of the epidermis (the outer skin layer). It usually results from exposure to sunlight and causes shiny, raised bumps that may bleed. More Information on Basal Cell Cancer: Skin Cancer
Also Known As: "BCC, Basal Carcinoma, Basal Cell Cancer"
The most common type of non-melanoma skin cancer. It begins in the basal cells, the lowest layer of the epidermis (the outer skin layer). It usually results from exposure to sunlight and causes shiny, raised bumps that may bleed. More Information on Basal Cell Carcinoma: Skin Cancer
An inherited condition present from birth that involves disorders of the skin, bones, eyes, endocrine glands and nervous system. It increase the risk of cancers, including skin (particularly basal cell carcinoma), ovarian and brain. More Information on Basal Cell Nevus Syndrome: Skin Cancer
A continuous supply of insulin, in low doses, to the body in order to manage glucose (blood sugar) levels. This is usually achieved with the use of an insulin pump. More Information on Basal Dose: Insulin
A group of structures deep in the brain that are involved in motion control and memory. Components include the corpus striatum (caudate nucleus, putamen and globus pallidus), lentiform nucleus, substantia nigra, claustrum, amygdala and others. More Information on Basal Ganglia: Brain & Nerve Basics
The amount of energy expended while the body is at rest to continue everyday, usual body functions (e.g., breathing, heart pumping, cell growth). It is based on height, weight, age, gender, diet and level of activity. More Information on Basal Metabolic Rate: Nutrition Basics
The amount of energy expended while the body is at rest to continue everyday, usual body functions (e.g., breathing, heart pumping, cell growth). It is based on height, weight, age, gender, diet and level of activity. More Information on Basal Metabolism: Nutrition Basics
A continuous supply of insulin, in low doses, to the body in order to manage glucose (blood sugar) levels. This is usually achieved with the use of an insulin pump. More Information on Basal Rate: Insulin
Temperature of a body at rest. Taken to help determine the time of ovulation, it must be done before any other activity such as eating or rising from bed. More Information on Basal Temperature: Fertility Issues
Also Known As: "Basilar Type Migraine, Basilar Migraine"
A type of migraine, occurring primarily in young women and often associated with the menstrual cycle, that involves a disturbance of a major brain artery. Symptoms include vertigo, nausea, double vision, and poor muscular coordination. More Information on Basilar Artery Migraine: Headache & Migraine
Narrowing, hardening, blockage or other disorder causing an interruption of blood flow through the basilar artery in the brain. It could lead to stroke or transient ischemic attacks. More Information on Basilar Artery Syndrome: Stroke
A type of migraine, occurring primarily in young women and often associated with the menstrual cycle, that involves a disturbance of a major brain artery. Symptoms include vertigo, nausea, double vision, and poor muscular coordination. More Information on Basilar Migraine: Headache & Migraine
A type of migraine, occurring primarily in young women and often associated with the menstrual cycle, that involves a disturbance of a major brain artery. Symptoms include vertigo, nausea, double vision, and poor muscular coordination. More Information on Basilar Type Migraine: Headache & Migraine
Specialized type of white blood cell that can travel more freely than mast cells. Basophils release histamines and other chemicals that trigger allergy symptoms. More Information on Basophils: Allergy Basics
"Bateman Purpura" is more commonly referred to as "Bruising Hands & Arms" in the medical community. Bruising Hands & Arms
Also Known As: "Actinic Purpura"
Bruising that easily occurs on the hands and arms of some individuals and often begins as red marks that turn purple and even darker before fading. Often seen in older individuals More Information on Bruising Hands & Arms: Skin Signs & Symptoms
"Batimastat" is more commonly referred to as "ABT 510" in the medical community. ABT 510
Also Known As: "AE 941, Carboxyamidotriazole, BAY 12 9566"
A type of angiogenesis inhibitor, medications being researched for use in cancer therapy. These drugs block the development of new blood vessels that feed tumors, starving them of oxygen and nutrients. More Information on ABT 510: Cancer Drug & Medication
Also Known As: "Partial Left Ventriculectomy Procedure, Ventricular Resection"
An open-heart surgery to reduce an enlarged heart. A wedge-shaped piece of the heart muscle is removed and the sides of the wound are then pulled together, reducing the overall size of the heart. It is still considered experimental. More Information on Batista: Heart Failure
Also Known As: "Batista, Partial Left Ventriculectomy Procedure, Ventricular Resection"
An open-heart surgery to reduce an enlarged heart. A wedge-shaped piece of the heart muscle is removed and the sides of the wound are then pulled together, reducing the overall size of the heart. It is still considered experimental. More Information on Batista Procedure: Heart Failure
A progressive, fatal neurological disease that begins in childhood. Vision problems and seizures are common. Eventually, the condition leads to loss of vision, motor skills and mental abilities. It is usually fatal by age 20. More Information on Batten Disease: Pediatric Brain & Nerve
"BAY 12 9566" is more commonly referred to as "ABT 510" in the medical community. ABT 510
Also Known As: "AE 941, Carboxyamidotriazole, Batimastat"
A type of angiogenesis inhibitor, medications being researched for use in cancer therapy. These drugs block the development of new blood vessels that feed tumors, starving them of oxygen and nutrients. More Information on ABT 510: Cancer Drug & Medication
"BAY 59 8862" is more commonly referred to as "Paclitaxel" in the medical community. Paclitaxel
Also Known As: "Docetaxel"
A medication belonging to the drug class mitotic inhibitors that slow cancer growth by interfering with cell division (mitosis). It is used primarily in the treatment of breast and ovarian cancers and for Kaposi's sarcoma. More Information on Paclitaxel: Cancer Drug & Medication
A brand of cholesterol-reducing drug (generic name cerivastatin) that was voluntarily withdrawn from the market in 2001 by its manufacturer due to reports of a potentially fatal side effect called rhabdomyolysis (a severe muscle reaction). More Information on Baycol: Heart Drug & Medication
Infection with an intestinal raccoon roundworm. It affects more than 50 animal species, including humans. Eggs passed in raccoon feces are resistant to most environmental conditions and sometimes survive for years. More Information on Baylisascaris Infection: Infectious Disease Basics
One of four hantaviruses that cause the hantavirus pulmonary syndrome, an infectious lung disease that first appeared in the Southwest United States in the spring of 1993. More Information on Bayou Virus Infection: Pneumonia & Lung Infection
Also Known As: "Basal Carcinoma, Basal Cell Cancer"
The most common type of non-melanoma skin cancer. It begins in the basal cells, the lowest layer of the epidermis (the outer skin layer). It usually results from exposure to sunlight and causes shiny, raised bumps that may bleed. More Information on BCC: Skin Cancer
A type of bacteria used primarily as a vaccine against tuberculosis, but may also be used to stimulate the immune system in the treatment of cancer. More Information on BCG: Chemo & Radiation Therapy
"BCNU Wafer" is more commonly referred to as "Carmustine Wafer" in the medical community. Carmustine Wafer
Also Known As: "Polifeprosan 20 Carmustine Implant"
A small wafer containing a cancer therapy medication that is implanted into a brain tumor site after the tumor has been surgically removed. Several wafers may be implanted around a single site to reduce the risk of recurrence. More Information on Carmustine Wafer: Chemo & Radiation Therapy
"BCPS" is more commonly referred to as "Bidirectional Cavopulmonary Shunt" in the medical community. Bidirectional Cavopulmonary Shunt
Also Known As: "Bidirectional Glenn"
A passageway created to divert blood flow so that oxygen-poor blood from the head and upper limbs flows directly to the lungs. The shunt connects the superior vena cava to the right pulmonary artery and is used to correct a birth defect of the heart. More Information on Bidirectional Cavopulmonary Shunt: Pediatric Heart
"BCPT" is more commonly referred to as "Breast Cancer Prevention Trial" in the medical community. Breast Cancer Prevention Trial
Clinical research trial funded by the National Cancer Institute. The key question was whether use of tamoxifen could prevent breast cancer in women with increased risk and/or decrease the number of heart attacks and bone fractures in these women. More Information on Breast Cancer Prevention Trial: Breast Cancer
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