| LAP | laparoscopy; laparotomy; left arterial pressure; left atrial pressure; leucine aminopeptidase; leuke... |
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| LSA | left sacro-anterior [fetal position]; left subclavian artery; leukocyte-specific activity; lichen sc... |
| DILD | diffuse infiltrative lung disease; diffuse interstitial lung disease |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| TLC | tender loving care; thin-layer chromatography; total L-chain concentration; total lung capacity; tot... |
| left coronary artery | <anatomy, artery> Origin, left aortic sinus; distribution, it divides into two major branches, an anterior interventricular which descends in the anterior interventricular sulcus, and a circumflex branch which passes to the diaphragmatic surface of the left ventricle; gives atrial, ventricular, and atrioventricular branches. Synonym: arteria coronaria sinistra. (05 Mar 2000) |
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| left coronary artery branches | <radiology> Left anterior descending (LAD) artery, diagonal branches, septal branches (short br. at 90' angle), left circumflex artery (LCA), obtuse marginal branches (12 Dec 1998) |
| left crus of atrioventricular bundle | The left leg or branch of the atrioventricular bundle which separates from the atrioventricular bundle just below the membranous portion of the interventricular septum to descend the septal wall of the left ventricle and begins to ramify subendocardially. Synonym: crus sinistrum fasciculi atrioventricularis. (05 Mar 2000) |
| left crus of diaphragm | The muscular origin of the diaphragm from the upper two or three lumbar vertebrae that ascends to the left of the aorta to reach the central tendon. Synonym: crus sinistrum diaphragmatis. (05 Mar 2000) |
| left duct of caudate lobe | A tributary to the left hepatic duct draining bile from the left half of the caudate lobe. Synonym: ductus lobi caudati sinister. (05 Mar 2000) |
| left fibrous trigone | The part of the fibrous skeleton of the heart located in the interval between the left side of the left atrioventricular ring and the aortic ring. Synonym: trigonum fibrosum sinistrum. (05 Mar 2000) |
| left-footed | Denoting one who uses the left leg by preference. Synonym: left-footed. Origin: sinistro-+ L. Pes (ped-), foot (05 Mar 2000) |
| left gastric artery | <anatomy, artery> Origin, coeliac; distribution, cardia of stomach at lesser curvature, abdominal part of the oesophagus, and, frequently, a portion of the left lobe of the liver via an aberrant left hepatic branch; anastomoses, oesophageal, right gastric. Synonym: arteria gastrica sinistra, coronary artery. (05 Mar 2000) |
| left gastric lymph nodes | Nodes located along the left gastric artery and its branches; they are divided into paracardial, upper and lower groups. Synonym: nodi lymphatici gastrici sinistri, superior gastric lymph nodes. (05 Mar 2000) |
| left gastroepiploic artery | <anatomy, artery> Origin, splenic; distribution, greater curvature of stomach and greater omentum; anastomoses, right gastroepiploic and short gastric arteries. Synonym: arteria gastro-omentalis sinistra, arteria gastroepiploica sinistra, left gastro-omental artery. (05 Mar 2000) |
| left gastroepiploic lymph nodes | Nodes located in the greater omentum along the left gastroepiploic artery that drain part of the greater curvature of the stomach and greater omentum. Synonym: nodi lymphatici gastro-omentales sinistri, left gastro-omental nodes. (05 Mar 2000) |
| left gastro-omental artery | <anatomy, artery> Origin, splenic; distribution, greater curvature of stomach and greater omentum; anastomoses, right gastroepiploic and short gastric arteries. Synonym: arteria gastro-omentalis sinistra, arteria gastroepiploica sinistra, left gastro-omental artery. (05 Mar 2000) |
| left gastro-omental nodes | Nodes located in the greater omentum along the left gastroepiploic artery that drain part of the greater curvature of the stomach and greater omentum. Synonym: nodi lymphatici gastro-omentales sinistri, left gastro-omental nodes. (05 Mar 2000) |
| left-handed | 1. Having the left hand or arm stronger and more dexterous than the right; using the left hand and arm with more dexterity than the right. 2. Clumsy; awkward; unlucky; insincere; sinister; malicious; as, a left-handed compliment. "The commendations of this people are not always left-handed and detractive." (Landor) 3. Having a direction contrary to that of the hands of a watch when seen in front; said of a twist, a rotary motion, etc, looked at from a given direction. Left-handed marriage, a morganatic marriage. See Morganatic. Left-handed screw, a screw constructed to advance away from the observer, when turned, as in a nut, with a left-handed rotation. An ordinary wood screw is right-handed. Source: Websters Dictionary (01 Mar 1998) |
| left heart | The left atrium and left ventricle. (05 Mar 2000) |