B cellA white blood cell that comes from bone marrow. As part of the immune system, B cells make antibodies and help fight infections. Also called B lymphocyte.
B lymphocyteA white blood cell that comes from bone marrow. As part of the immune system, B lymphocytes make antibodies and help fight infections. Also called B cell.
B-cell (B-lymphocyte)White blood cells of the immune system that are derived from the bone marrow and spleen. B cells develop into plasma cells, which produce antibodies.
B-cell acute lymphoblastic leukemia(... sel uh-KYOOT LIM-foh-BLAS-tik loo-KEE-mee-uh) A type of leukemia (blood cancer) in which too many B-cell lymphoblasts (immature white blood cells)…
B-cell acute lymphocytic leukemia(... sel uh-KYOOT LIM-foh-SIH-tik loo-KEE-mee-uh) A type of leukemia (blood cancer) in which too many B-cell lymphoblasts (immature white blood cells) are…
B-cell leukemia/lymphoma 2 protein(... sel loo-KEE-mee-uh/lim-FOH-muh 2 PROH-teen) A protein that helps control whether a cell lives or dies by blocking a type of cell death called…
B-cell lymphoma(â¦lim-FOH-muh) A type of cancer that forms in B cells (a type of immune system cell).
backboneThe bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone.
Background Diabetic Retinopathy(Non-proliferative Retinopathy) Is the earliest stage of diabetic retinopathy in the mildest form, fine blood vessels and retinal capillaries within the…
baclofen(BAK-loh-fen) A drug that is used to treat certain types of muscle spasms and is being studied in the treatment of liver cancer.
baclofen/amitriptyline/ketamine gel(bak-LOH-fen AM-ih-TRIP-tih-leen KEET-uh-meen JEL) A substance being studied in the treatment of peripheral neuropathy (pain, numbness, tingling, burning…
Bacteria(bak-TEER-ee-uh) A large group of single-cell microorganisms. Some cause infections and disease in animals and humans.
bacterial toxin(bak-TEER-ee-ul TOK-sin) A toxic substance, made by bacteria, that can be modified to kill specific tumor cells without harming normal cells.
BAK gelA substance being studied in the treatment of peripheral neuropathy (pain, numbness, tingling, burning, or weakness in the hands or feet) caused by…
Balance BillingWhen a provider bills you for the difference between the provider’s charge and the allowed amount.
Balanced Diet(American Diabetes Association Diet) A proper diet is the utmost importance in the therapy for management in treating diabetes.
balloon angioplasty(buh-LOON AN-jee-oh-PLAS-tee) A procedure to enlarge the opening in a blood vessel that has become narrowed or blocked by plaque (a buildup of fat and…
BandingOrganizing people together by age groups to calculate premiums.
Barbiturate(bar-BICH-u-rit) A drug used to treat insomnia, seizures, and convulsions, and to relieve anxiety and tension before surgery.
barium enemaA procedure in which a liquid with barium in it is put into the rectum and colon by way of the anus.
barium solutionA liquid containing barium sulfate that is used in x-rays to highlight parts of the digestive system.
barium swallowA series of x-rays of the esophagus. The x-ray pictures are taken after the person drinks a solution that contains barium.
Barrett esophagus(BA-ret ee-SAH-fuh-gus) A condition in which the cells lining the lower part of the esophagus have changed or been replaced with abnormal cells that could…
barrier(BAYR-ee-er) Something that blocks, prevents, separates, or limits.
basal cell(BAY-sul SEL) A small, round cell found in the lower part (or base) of the epidermis, the outer layer of the skin.
basal cell carcinoma(BAY-sul SEL KAR-sih-NOH-muh) A type of skin cancer that arises from the basal cells, small round cells found in the lower part (or base) of the…
basal cell nevus syndrome(BAY-sul SEL NEE-vus SIN-drome) A genetic condition that causes unusual facial features and disorders of the skin, bones, nervous system, eyes, and…
baselineAn initial measurement that is taken at an early time point to represent a beginning condition, and is used for comparison over time to look for changes.
basophilA type of white blood cell. Basophils are granulocytes.
batimastatAn anticancer drug that belongs to the family of drugs called angiogenesis inhibitors. Batimastat is a matrix metalloproteinase inhibitor.
batracylin(BA-truh-SY-lin) A substance being studied in the treatment of cancer. It may kill cancer cells by causing damage to the DNA.
BAY 12-9566An anticancer drug that belongs to the family of drugs called angiogenesis inhibitors.
BAY 43-9006A drug used to treat advanced kidney cancer and a type of liver cancer that cannot be removed by surgery.
BAY 56-3722A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called camptothecins.
BAY 59-8862A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called taxanes.
BB-10901A substance that combines a monoclonal antibody (huN901) with an anticancer drug (DM1), and is being studied in the treatment of certain cancers…
BBBDThe use of drugs to create openings between cells in the blood-brain barrier. The blood-brain barrier is a protective network of blood vessels and tissue…
BBICA substance being studied in the prevention of cancer. BBIC is made from soybeans, and is a type of serine proteinase inhibitor.
BBR 2778A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called antitumor antibiotics. Also called pixantrone.
BBR 3464A substance that is being studied in the treatment of cancer. It belongs to the family of platinum-based drugs.
BCL2A protein that helps control whether a cell lives or dies by blocking a type of cell death called apoptosis.
BCR-ABL fusion gene(... FYOO-zhun JEEN) A gene formed when pieces of chromosomes 9 and 22 break off and trade places.
BCX-1777A substance being studied in the treatment of some types of leukemia and lymphoma. It is a type of purine nucleoside phosphorylase (PNP) inhibitor.
BDCA rare type of kidney cancer that grows and spreads quickly. It begins in the duct of Bellini in the kidney. Also called Bellini duct carcinoma.
Beckwith-Wiedemann syndromeA rare, overgrowth disorder in which babies are large at birth and may develop low blood sugar.
beclin 1(BEH-klin â¦) A protein involved in autophagy (the process by which a cell destroys proteins and other substances in its cytoplasm).
beclomethasoneA drug being studied in the treatment of graft-versus-host disease. It belongs to a family of drugs called corticosteroids.
behavior modification(bee-HAY-vyer MAH-dih-fih-KAY-shun) A technique used to help people change the way they react to certain triggers in the environment that cause a negative…
belinostat(beh-LIN-oh-STAT) A substance being studied in the treatment of cancer. Belinostat blocks enzymes needed for cell division and may kill cancer cells.
Bellini duct carcinoma(beh-LEE-nee dukt KAR-sih-NOH-muh) A rare type of kidney cancer that grows and spreads quickly. It begins in the duct of Bellini in the kidney.
Bence Jones proteinA small protein made by plasma cells (white blood cells that produce antibodies).
bench-to-bedsideA term used to describe the process by which the results of research done in the laboratory are directly used to develop new ways to treat patients.
bendamustine(BEN-duh-MUS-teen) The active ingredient in a drug that is used to treat chronic lymphocytic leukemia (CLL) and is being studied in the treatment of other…
bendamustine hydrochloride(BEN-duh-MUS-teen HY-droh-KLOR-ide) A drug that is used to treat chronic lymphocytic leukemia (CLL) and is being studied in the treatment of other types…
BenefitSomething that promotes or enhances well-being; an advantage.
Benefit LevelA benefit level is a group of plans that have similar value. The groupings help you compare plans with similar covered benefits and costs to determine the…
BenefitsThe health care items or services covered under a health insurance plan. Covered benefits and excluded services are defined in the health insurance plan's…
benign(beh-NINE) Not cancerous. Benign tumors may grow larger but do not spread to other parts of the body.
Benign breast disease(beh-NINE brest dih-ZEEZ) A common condition marked by benign (noncancerous) changes in breast tissue.
benign proliferative breast disease(beh-NINE proh-LIH-fuh-ruh-tiv brest dih-ZEEZ) A group of noncancerous conditions that may increase the risk of developing breast cancer.
benign prostatic hyperplasia(beh-NINE prah-STA-tik HY-per-PLAY-zhuh) A benign (noncancerous) condition in which an overgrowth of prostate tissue pushes against the urethra and the…
benign prostatic hypertrophy(beh-NINE prah-STA-tik hy-PER-troh-fee) A benign (noncancerous) condition in which an overgrowth of prostate tissue pushes against the urethra and the…
benign tumor(beh-NINE TOO-mer) A noncancerous growth that does not invade nearby tissue or spread to other parts of the body.
benzaldehydeA colorless oily liquid used as a flavoring agent and to make dyes, perfumes, and pharmaceuticals. Benzaldehyde is chemically related to benzene.
benzeneA chemical that is used widely by the chemical industry, and is also found in tobacco smoke, vehicle emissions, and gasoline fumes.
BenzodiazepineA type of CNS depressant prescribed to relieve anxiety and sleep problems. Valium and Xanax are among the most widely prescribed medications.
benzoylphenylureaA substance being studied in the treatment of cancer. It is a type of antitubulin agent. Also called BPU.
benzydamine(ben-ZIH-duh-meen) A substance being studied as a mouth rinse treatment for oral mucositis (painful mouth sores) caused by cancer therapy.
bereavement(beh-REEV-ment) A state of sadness, grief, and mourning after the loss of a loved one.
bergamot(BER-guh-mot) A type of orange tree grown in Italy. The essential oil from the peel of this orange is used in perfume, to get rid of insects, and to…
Beriplast PA substance used in surgical wound healing to cause a blood clot to form. It consists of blood-clotting factors found naturally in human blood.
best practiceIn medicine, treatment that experts agree is appropriate, accepted, and widely used.
beta alethineA substance that is being studied in the treatment of cancer. It belongs to a family of chemicals called disulfides.
beta carotene(BAY-tuh KAYR-uh-teen) A substance found in yellow and orange fruits and vegetables and in dark green, leafy vegetables.
Beta CellsCells that produce insulin within the body(endogenous) and found in the Islets of Langerhans in the pancreas.
beta-2-microglobulin(MY-kroh-GLOB-yoo-lin) A small protein normally found on the surface of many cells, including lymphocytes, and in small amounts in the blood and urine.
beta-endorphin(BAY-tuh en-DOR-fin) A substance produced in the brain, especially in the pituitary gland, that blocks the sensation of pain.
beta-glucanA type of polysaccharide (string of sugar molecules) obtained from several types of mushrooms.
beta-human chorionic gonadotropinA hormone normally found in the blood and urine during pregnancy. It may also be produced by some tumor cells.
bevacizumab(beh-vuh-SIH-zoo-mab) A monoclonal antibody used in the treatment of colorectal cancer that has spread.
bexarotene(bek-SAR-uh-teen) A drug used to treat skin problems caused by cutaneous T-cell lymphoma that have not gotten better after other treatment.
Bexxar regimen(BEX-ar REH-jih-men) A combination of monoclonal antibodies used to treat certain types of non-Hodgkin lymphoma.
BG00001A gene therapy agent that is being studied in the treatment of cancer. It belongs to the family of drugs called biological response modifiers.
BI 2536A substance being studied in the treatment of cancer. It prevents cells from dividing and may block the growth of some tumors.
BI-RADSA method used by radiologists to interpret and report in a standardized manner the results of mammography, ultrasound, and MRI used in breast cancer…
Biafine creamA topical preparation to reduce the risk of, and treat skin reactions to, radiation therapy.
bias(BY-us) In a scientific research study or clinical trial, a flaw in the study design or the method of collecting or interpreting information.
BIBF 1120A substance being studied in the treatment of some types of cancer. BIBF 1120 blocks enzymes needed for cells to grow, and may prevent the growth of new…
BIBX 1382A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called epidermal growth factor receptor (EGFR) inhibitors.
bicalutamide(bye-ka-LOO-ta-mide) An anticancer drug that belongs to the family of drugs called antiandrogens.
bidiA cigarette made by rolling tobacco by hand in a dried leaf from the tendu tree (a member of the ebony family).