| lactosylceramides | Glycosphingolipids which contain as their polar head group a lactose moiety bound in glycosidic linkage to the hydroxyl group of ceramide. Their accumulation in tissue, due to a defect in lactosylceramide beta-galactosidase, is the cause of lactosylceramidosis. (12 Dec 1998) |
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| lactotherapy | Treatment of disease by means of an exclusive or nearly exclusive milk diet. Synonym: lactotherapy. (05 Mar 2000) |
| lactotropin | <protein> Pituitary lactogenic hormone (23 kD) Synthesised on endoplasmic reticulum bound ribosomes as preprolactin that has an N terminal signal peptide that is cleaved from the mature form. The conversion of preprolactin to prolactin has been much used as an assay for membrane insertion. (18 Nov 1997) |
| lactovegetarian | One who lives on a mixed diet of milk and milk products, eggs, and vegetables, but eschews meat. (05 Mar 2000) |
| lactoylglutathione lyase | <enzyme> An enzyme that catalyses the interconversion of methylglyoxal and lactate, with glutathione serving as a coenzyme. Chemical name: S-Lactoyl-glutathione methylglyoxal-lyase (isomerizing) Registry number: EC 4.4.1.5 (12 Dec 1998) |