antagonist

In medicine, a substance that stops the action or effect of another substance. For example, a drug that blocks the stimulating effect of estrogen on a tumor … [Read more...]

anterior

In human anatomy, has to do with the front of a structure, or a structure found toward the front of the body. … [Read more...]

anterior mediastinotomy

A procedure in which a tube is inserted into the chest to view the tissues and organs in the area between the lungs and between the breastbone and heart. The … [Read more...]

anterior mediastinum

The area in the front part of the chest between the lungs. Also called prevascular space. … [Read more...]

anterior pelvic exenteration

Surgery to remove the urethra, lower part of the ureters, uterus, cervix, vagina, and bladder. … [Read more...]

anterior urethral cancer

A disease in which malignant (cancer) cells are found in the part of the urethra (the tube through which urine leaves the body) that is closest to the outside … [Read more...]

anthracenedione

An anticancer drug that belongs to the family of drugs called anticancer antibiotics. … [Read more...]

anthracycline

A type of antibiotic that comes from certain types of Streptomyces bacteria. Anthracyclines are used to treat many types of cancer. Anthracyclines damage the … [Read more...]

anthraquinone

A type of anticancer drug. … [Read more...]

anti-CD19 immunotoxin

A monoclonal antibody linked to a toxic substance. It is being studied in the treatment of some types of B-cell cancer. Anti-CD19 immunotoxin is made in the … [Read more...]