arousal

The state of being alert and ready to respond, or waking from sleep. … [Read more...]

arrhenoblastoma

A rare type of ovarian tumor in which the tumor cells secrete a male sex hormone. This may cause virilization (the appearance of male physical characteristics … [Read more...]

arsenic

A poisonous chemical used to kill weeds and pests. Also used in cancer therapy. … [Read more...]

art therapy

Treatment that uses the making of art and the response to art to improve one … [Read more...]

arterial embolization

The blocking of an artery by a clot of foreign material. This can be done as treatment to block the flow of blood to a tumor. … [Read more...]

arteriogram

An x-ray of arteries. The person receives an injection of a dye that outlines the vessels on the x-ray. … [Read more...]

arteriography

A procedure to x-ray arteries. The arteries can be seen because of an injection of a dye that outlines the vessels on the x-ray. … [Read more...]

artery

A blood vessel that carries blood from the heart to tissues and organs in the body. … [Read more...]

arthralgia

Joint pain. … [Read more...]

arthritis

A disease that causes inflammation and pain in the joints. … [Read more...]