释义 |
ceramide
cer·a·mide C5214850 (sîr′ə-mĭd′, sĕr′-)n. Any of a group of lipids that are formed by the linking of a fatty acid to sphingosine, are found in cell membranes, and help to regulate the differentiation, proliferation, and death of cells. [cer(ebroside), any of various glycolipids containing sphingosine and found especially in brain and nerve tissue (cerebr(o)- + -ose + -ide) + amide.]ceramide (ˈsɛrəˌmaɪd) n (Elements & Compounds) any of a class of biologically important compounds used as moisturizers in skin-care preparationsceramide
ceramide[′ser·ə‚mīd] (organic chemistry) Any of a group of amides formed by linking a fatty acid to sphingosine. ceramide
ceramide [ser´ah-mīd] the basic unit of the sphingolipids, consisting of sphingosine or a related base attached via its amino group to a long-chain fatty acid anion. Ceramides accumulate abnormally in farber's disease.ceramide glucoside the major sphingolipid accumulated in Gaucher's disease.ceramide lactosidosis a sphingolipidosis in which ceramide lactoside accumulates in neural and visceral tissues owing to a deficiency of a β-galactosidase.ceramide trihexoside the major sphingolipid accumulated in Fabry's disease.cer·a·mide (ser'ă-mīd), Generic term for a class of sphingolipid, N-acyl (fatty acid) derivatives of a long chain base or sphingoid such as sphinganine or sphingosine; for example, CH3(CH2)12CH=CH-CHOH-CH(CH2OH)-NH-CO-R, where R is the fatty-acyl residue, attached in this example to 4-sphingenine (sphingosine) in amide linkage. Ceramides accumulate in people with Farber disease.ceramide (sîr′ə-mĭd′, sĕr′-)n. Any of a group of lipids that are formed by the linking of a fatty acid to sphingosine, are found in cell membranes, and help to regulate the differentiation, proliferation, and death of cells. cer·a·mide (ser'ă-mīd) Generic term for a class of sphingolipid, N-acyl (fatty acid) derivatives of a long chain base or sphingoid such as sphingenine or sphingosine. Ceramides accumulate in people with disseminated lipogranulomatosis. |