| LAO | left anterior oblique; left atrial overload; Licentiate of the Art of Obstetrics |
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| LAP | laparoscopy; laparotomy; left arterial pressure; left atrial pressure; leucine aminopeptidase; leuke... |
| LCA | left circumflex artery; left coronary artery; leukocyte common antigen; lithocholic acid; lymphocyte... |
| LE | lactate extraction; left ear; left eye; leukocyte elastase; leukoerythrogenic; live embryo; Long Eva... |
| LF | labile factor; lactoferrin; laryngofissure; Lassa fever; latex fixation; left foot; left forearm; le... |
| lateral costal branch of internal thoracic artery | <anatomy, artery> A variable branch of internal thoracic artery that runs lateral and parallel to the internal thoracic artery on the deep surface of the rib cage; anastomosis: posterior intercostal arteries. Synonym: ramus costalis lateralis arteriae thoracicae internae. (05 Mar 2000) |
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| fossa of lateral malleolus | A large rough depression on the medial aspect of the lower end of the fibula just behind the articular facet for the talus giving attachment to the posterior talofibular and the transverse tibiofibular ligaments. Synonym: fossa malleoli lateralis, digital fossa, fossa malleoli fibulae. (05 Mar 2000) |
| lateral costotransverse ligament | <anatomy> The short quadrangular ligament, actually a thickening of the posterior aspect of the costotransverse joint, extending from the tip of the transverse process to the posterior surface of the neck of the rib. Synonym: ligamentum costotransversarium laterale, ligamentum costotransversarium posterius, ligamentum tuberculi costae, posterior costotransverse ligament. (05 Mar 2000) |
| lateral cricoarytenoid | <anatomy, muscle> Origin, upper margin of arch of cricoid cartilage; insertion, muscular process of arytenoid; action, adducts vocal folds (narrows rima glottidis); nerve supply, recurrent laryngeal. Synonym: musculus cricoarytenoideus lateralis. (05 Mar 2000) |
| lateral crus | Limb or leg-like portion of a structure, farthest from midline. Synonym: crus laterale, lateral limb. (05 Mar 2000) |
| lateral crus of facial canal | Laterally-placed, posteriorly-directed second portion of the horizontal part of the facial canal. See: horizontal part of facial canal. Synonym: lateral crus of horizontal part of the facial canal. (05 Mar 2000) |
| lateral crus of horizontal part of the facial canal | Laterally-placed, posteriorly-directed second portion of the horizontal part of the facial canal. See: horizontal part of facial canal. Synonym: lateral crus of horizontal part of the facial canal. (05 Mar 2000) |
| lateral crus of the greater alar cartilage of the nose | Portion of cartilage extending laterally and posteriorly in a wing-like fashion, supporting the wing of the nose and keeping the nostril patent. Synonym: crus laterale cartilaginis alaris majoris. (05 Mar 2000) |
| lateral crus of the superficial inguinal ring | Portion of the external oblique aponeurosis which passes lateral to the superficial inguinal ring blending into the inguinal ligament and forming the lateral boundary of the ring. Synonym: crus laterale anuli inguinalis superficialis. (05 Mar 2000) |
| lateral cuneate nucleus | A cell group lateral to the cuneate nucleus which receives posterior-root fibres corresponding to the proprioceptive innervation of the arm and hand; it projects to the cerebellum by way of the cuneocerebellar tract, and can be considered the upper-extremity equivalent of the thoracic nucleus. Synonym: nucleus cuneatus accessorius, external cuneate nucleus, lateral cuneate nucleus, Monakow's nucleus. (05 Mar 2000) |
| lateral cuneiform bone | A bone of the distal row of the tarsus; it articulates with the intermediate cuneiform, cuboid, navicular, and second, third, and fourth metatarsal bones. Synonym: os cuneiforme laterale, third cuneiform bone, wedge bone. (05 Mar 2000) |
| lateral curvature | Curvature in which a more distal part is deviated away from the anatomic sagittal plane. (05 Mar 2000) |
| lateral cutaneous branch | Lateral cutaneous branches of the following: 1) iliohypogastric nerve, ramus cutaneus lateralis nervi iliohypogastrici; 2) dorsal branch of thoracic nerves, ramus lateralis ramorum dorsalium nervorum thoracicorum; 3) dorsal branch of posterior intercostal arteries, ramus cutaneos lateralis ramorum posteriorum arterieae intercostalium. Synonym: ramus cutaneus lateralis. (05 Mar 2000) |
| lateral cutaneous branches of intercostal nerves | Branches arising in approximately the anterior axillary line at the level of the second through sixth intercostal spaces. Synonym: rami mammarii laterales nervorum intercostalium, lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |
| lateral cutaneous branches of ventral primary ramus of thoracic spinal nerves | Branches arising in approximately the anterior axillary line at the level of the second through sixth intercostal spaces. Synonym: rami mammarii laterales nervorum intercostalium, lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |