| LSA | left sacro-anterior [fetal position]; left subclavian artery; leukocyte-specific activity; lichen sc... |
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| LSB | least significant bit; left sternal border; left scapular border; long spike burst |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| LSL | left sacrolateral [fetal position]; left short leg; lymphosarcoma [cell] leukemia |
| LSO | lateral superior olive; left salpingo-oophorectomy; left superior oblique; lumbosacral orthosis |
| 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) |
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| 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 gastric vein | <anatomy, vein> Arises from a union of veins from both surfaces of the cardia of the stomach and an oesophageal tributary from the cardiac portion of the oesophagus; it runs in the lesser omentum and empties into the portal vein. See: oesophageal veins. Synonym: vena gastrica sinistra, coronary vein, vena coronaria ventriculi. (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 gastroepiploic vein | <anatomy, vein> The vein that accompanies the left gastroepiploic artery along the greater curvature of the stomach; it empties into the splenic vein. Synonym: vena gastro-omentalis sinistra, left gastroomental vein. (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 gastroomental vein | <anatomy, vein> The vein that accompanies the left gastroepiploic artery along the greater curvature of the stomach; it empties into the splenic vein. Synonym: vena gastro-omentalis sinistra, left gastroomental vein. (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) |
| left heart bypass | Any procedure that shunts blood returning from the pulmonary circulation to the systemic circulation without passing through the left heart. This is utilised during some cardiac surgery and experimentally during severe left heart failure or cardiogenic shock. (05 Mar 2000) |
| left hepatic artery | <anatomy, artery> Left branch of proper hepatic artery; terminal branch off proper hepatic artery supplying left lobe of the liver. Synonym: ramus sinister arteriae hepaticae propriae. (05 Mar 2000) |