| AIN | acute interstitial nephritis; American Institute of Nutrition; anterior interosseous nerve |
|---|---|
| AION | anterior ischemic optic neuropathy |
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
| AIVV | anterior informal vertebral vein |
| AL | absolute latency; acinar lumen; acute leukemia; adaptation level; albumin; alcoholism [and other dru... |
| arteria labialis superior | <anatomy, artery> Origin, facial; distribution, structures of upper lip and, by a septal branch, the anterior and lower part of the nasal septum; anastomoses, the artery of the opposite side and the sphenopalatine. Synonym: arteria labialis superior. (05 Mar 2000) |
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| arteria labyrinthi | <anatomy, artery> Internal acoustic meatal branch. A branch of the basilar artery that enters the labyrinth through the internal acoustic meatus. Synonym: arteria labyrinthi, ramus meatus acustici interni, arteria auditiva interna, artery of labyrinth, internal auditory artery. (05 Mar 2000) |
| arteria lacrimalis | <anatomy, artery> Origin, ophthalmic; distribution, lacrimal gland, lateral and superior rectus muscles, superior eyelid, forehead, and temporal fossa. Synonym: arteria lacrimalis. (05 Mar 2000) |
| 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 laryngea superior | <anatomy, artery> Origin, superior thyroid; distribution, muscles and mucous membrane of larynx; anastomoses, cricothyroid branch of superior thyroid and terminal branches of inferior laryngeal. Synonym: arteria laryngea superior. (05 Mar 2000) |
| arteria lienalis | An alternate term for splenic artery. (05 Mar 2000) |
| arteria ligamenti teretis uteri | Origin, inferior epigastric; distribution, round ligament of uterus. Synonym: arteria ligamenti teretis uteri. (05 Mar 2000) |
| arteria lingualis | <anatomy, artery> Origin, external carotid; distribution, runs along under surface of tongue, terminates as deep lingual artery; branches, suprahyoid and dorsal lingual branches and sublingual artery. Synonym: arteria lingualis. (05 Mar 2000) |
| arteria lobi caudati | Origin, left branch of proper hepatic; distribution, caudate lobe of the liver. Synonym: arteria lobi caudati. (05 Mar 2000) |
| arteria lumbalis | <anatomy, artery> Origin, abdominal aorta; one of four or five pairs; distribution, lumbar vertebrae, muscles of back, abdominal wall; anastomoses, intercostal, subcostal, superior and inferior epigastric, deep circumflex iliac, and iliolumbar. Synonym: arteria lumbalis. (05 Mar 2000) |
| arteria lusoria | An aberrant right subclavian artery arising from the descending aorta; it passes posterior to the oesophagus, often producing dysphagia. (05 Mar 2000) |
| arteria mammaria interna | <anatomy, artery> Origin, subclavian; branches, pericardiacophrenic, anterior intercostal, sternal, mediastinal, thymic, bronchial, muscular, and perforating branches, and bifurcates into the musculophrenic and superior epigastric. Synonym: arteria thoracica interna, arteria mammaria interna, internal mammary artery. (05 Mar 2000) |
| arteria masseterica | <anatomy, artery> Origin, maxillary; distribution, deep surface of masseter muscle; anastomoses, branches of transverse facial and masseteric branches of facial. Synonym: arteria masseterica. (05 Mar 2000) |
| arteria maxillaris | <anatomy, artery> A branch of the external carotid artery which distributes to the deep structures of the face (internal maxillary) and to the side of the face and nose (external maxillary). (12 Dec 1998) |
| arteria maxillaris externa | <anatomy, artery> Origin, external carotid; branches, ascending palatine, tonsillar and glandular branches, submental, inferior labial, superior labial, masseteric, buccal, lateral nasal branches, and angular. Synonym: arteria facialis, arteria maxillaris externa, external maxillary artery. (05 Mar 2000) |