| 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 malleolaris anterior lateralis | <anatomy, artery> Origin, anterior tibial; distribution, ankle joint; anastomoses, peroneal, lateral tarsal. Synonym: arteria malleolaris anterior lateralis. (05 Mar 2000) |
| arteria malleolaris anterior medialis | <anatomy, artery> Origin, anterior tibial; distribution, ankle joint and neighboring integument; anastomoses, branches of posterior tibial. Synonym: arteria malleolaris anterior medialis. (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) |