itis
Suffix meaning inflammation. For example, colitis is literally colon inflammation or figuratively inflammation of the colon. The ending -itis is one of the building blocks derived from Greek (in this case) or Latin used to construct medical terms.
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- ITP
Idiopathic thrombocytopenic purpura. A condition characterized by the sudden, abnormal lowering of the platelet count. The cause is unknown, but the immune system seems to play a major role in the process by eliminating the platelets. ITP can lead to dangerously low platelet counts that can be associated with spontaneous bleeding. Purpura are purplish bruises […]
- IU (international unit)
An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used for the fat-soluble vitamins (such as vitamins A, D and E) and certain hormones, enzymes, and biologicals (such as vaccines). The definition of an international unit (IU) is generally arbitrary, technical, and eminently forgettable. For example, an […]
- IUD (intrauterine contraceptive device)
A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T in shape made of plastic or metal. An IUD is inserted into the uterus by a health-care professional. Of two types of IUDs approved in the U.S., one can remain in place for 10 […]
- IUGR
Intrauterine growth retardation.
- IV (intravenous)
“The glucose was given intravenously.” The word “intravenous” as a noun refers to an intravenous fluid drip, a solution (usually a balanced electrolyte solution) administered directly into the venous circulation. Also called a drip.