| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
|---|---|
| IRV | inferior radicular vein; inspiratory reserve volume; inverse ratio ventilation |
| ITA | inferior temporal artery; internal thoracic artery; International Tuberculosis Association |
| ITQ | inferior temporal quadrant |
| ITV | inferior temporal vein |
| arteria labialis inferior | <anatomy, artery> Origin, facial; distribution, structures of lower lip; anastomoses, the artery from the opposite side, mental and sublabial. Synonym: arteria labialis inferior. (05 Mar 2000) |
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| arteria laryngea inferior | <anatomy, artery> Origin, inferior thyroid; distribution, muscles and mucous membrane of larynx; anastomoses, superior laryngeal. Synonym: arteria laryngea inferior. (05 Mar 2000) |
| arteria mesenterica inferior | <anatomy, artery> Origin, abdominal aorta; branches, left colic, sigmoid, superior rectal; anastomoses, middle colic and middle rectal. Synonym: arteria mesenterica inferior. (05 Mar 2000) |
| arteria pancreatica inferior | <anatomy, artery> Origin, dorsal pancreatic; distribution, body and tail of pancreas; anastomoses, great pancreatic artery. Synonym: arteria pancreatica inferior, transverse pancreatic artery. (05 Mar 2000) |
| arteria pancreaticoduodenalis inferior | <anatomy, artery> Origin, superior mesenteric; one of two arteries, anterior and posterior; distribution, head of pancreas, duodenum; anastomoses, superior pancreaticoduodenal. Synonym: arteria pancreaticoduodenalis inferior. (05 Mar 2000) |
| arteria phrenica inferior | <anatomy, artery> Origin, the first paired branch from the abdominal aorta inferior to the diaphragm; distribution, diaphragm; anastomoses, superior phrenic, internal thoracic, and musculophrenic. Synonym: arteria phrenica inferior. (05 Mar 2000) |
| arteria rectalis inferior | <anatomy, artery> Origin, internal pudendal; distribution, anal canal, muscles and skin of the anal region, and skin of the buttock; anastomoses, middle rectal, perineal, and gluteal. Synonym: arteria rectalis inferior, inferior haemorrhoidal artery. (05 Mar 2000) |
| arteria suprarenalis inferior | <anatomy, artery> Origin, renal; distribution, suprarenal gland. Synonym: arteria suprarenalis inferior. (05 Mar 2000) |
| arteria thyroidea inferior | <anatomy, artery> Origin, terminal branch of thyrocervical trunk (with ascending cervical artery); branches, inferior laryngeal, and muscular, oesophageal, and tracheal. Synonym: arteria thyroidea inferior. (05 Mar 2000) |
| arteria tympanica inferior | <anatomy, artery> Origin, ascending pharyngeal; distribution, middle ear; anastomoses, tympanic branches of other arteries. Synonym: arteria tympanica inferior. (05 Mar 2000) |
| arteria vesicalis inferior | <anatomy, artery> Origin, internal iliac; distribution, base of bladder, ureter, and (in the male) seminal vesicles, ductus deferens, and prostate; anastomoses, middle rectal, and other vesical branches. Synonym: arteria vesicalis inferior. (05 Mar 2000) |
| arteriola macularis inferior | Origin, central artery of retina; distribution, inferior part of macula. Synonym: arteriola macularis inferior. (05 Mar 2000) |
| arteriola nasalis retinae inferior | The branch of the central artery of the retina that supplies the lower medial, or nasal, part of the retina. Synonym: arteriola nasalis retinae inferior. (05 Mar 2000) |
| arteriola temporalis retinae inferior | The branch of the central artery of the retina that passes laterally below the macula to supply the lower lateral or temporal part of the retina. Synonym: arteriola temporalis retinae inferior. (05 Mar 2000) |
| artery of anterior inferior segment of kidney | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti anterioris inferioris renis, artery of anterior {inferior segment of kidney}. (05 Mar 2000) |