| lecama | <zoology> The hartbeest. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| lecanomancy | Divination practiced with water in a basin, by throwing three stones into it, and invoking the demon whose aid was sought. Origin: Gr. Bowl or basin + -mancy. Source: Websters Dictionary (01 Mar 1998) |
| lecanoric | <chemistry> Pertaining to, or designating, an organic acid which is obtained from several varieties of lichen (Lecanora, Roccella, etc), as a white, crystalline substance, and is Synonym: orsellic, or diorsellinic acid, lecanorin, etc. Source: Websters Dictionary (01 Mar 1998) |
| lecanorin | <chemistry> See Lecanoric. Source: Websters Dictionary (01 Mar 1998) |
| lecheguilla poisoning | A plant toxaemia of sheep and goats in western Texas, southeastern New Mexico, and northern Mexico caused by eating Agave lecheguilla; there is liver damage resulting in icterus, sometimes haemoglobinuria, and often death, and photosensitivity with oedema, swelling, and crusting of the face and ears. Synonym: swellhead. (05 Mar 2000) |
| lechery | 1. Free indulgence of lust; lewdness. 2. Selfish pleasure; delight. Origin: OE. Lecherie, OF. Lecherie. See Lecher. Source: Websters Dictionary (01 Mar 1998) |
| lecithal | Having a yolk or pertaining to the yolk of any egg; used especially as a suffix. Origin: G. Lekithos, egg yolk (05 Mar 2000) |
| lecithin | <protein> Phospholipids of egg yolk (usually hen's eggs). A mixture of phosphatidylcholine and phosphatidylethanolamine, but usually refers to phosphatidylcholine. (18 Nov 1997) |
| lecithin acyltransferase | <enzyme> An enzyme that reversibly transfers an acyl residue from a lecithin to cholesterol, forming a 1-acylglycerophosphocholine (a lysolecithin) and a cholesterol ester; a deficiency of this enzyme leads to an accumulation of unesterified cholesterol in plasma resulting in anaemia, proteinuria, renal failure, and corneal opacities; LCAT is also low in individuals with fish-eye disease. Synonym: lecithin acyltransferase. Acronym: LCAT (05 Mar 2000) |
| lecithin acyltransferase deficiency | A disease characterised by deficiency or low levels of plasma lecithin cholesterol acyl transferase. Clinical manifestations include corneal opacity, anaemia, and proteinuria. (12 Dec 1998) |
| lecithin-cholesterol acyltransferase | <enzyme> An enzyme that reversibly transfers an acyl residue from a lecithin to cholesterol, forming a 1-acylglycerophosphocholine (a lysolecithin) and a cholesterol ester; a deficiency of this enzyme leads to an accumulation of unesterified cholesterol in plasma resulting in anaemia, proteinuria, renal failure, and corneal opacities; LCAT is also low in individuals with fish-eye disease. Synonym: lecithin acyltransferase. Acronym: LCAT (05 Mar 2000) |
| lecithin-cholesterol transferase | A plasma enzyme that catalyses the uptake of cholesterol esters by intermediate-density lipoproteins formed by high density lipoproteins. (05 Mar 2000) |
| lecithin-retinol acyltransferase | <enzyme> Transfers 1-acyl moiety from lecithin to retinol-cellular retinol-binding protein, type II, to produce retinyl esters; does not use CoA Registry number: EC 2.3.1.- (26 Jun 1999) |
| lecithin/sphingomyelin ratio | A ratio used to determine foetal pulmonary maturity, found by testing the amniotic fluid; when the lungs are mature, lecithin exceeds sphingomyelin by 2 to 1. (05 Mar 2000) |
| lecithinase | <enzyme> See phospholipases. (18 Nov 1997) |