| L/S ratio | Lecithin/Sphingomyelin > 2À̳ª IRDS°¡ ¿À´Â °æ¿ì 1. DM Mother ... |
|---|---|
| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal sec... |
| LSR | lanthanide shift reagent; lecithin/ sphingomyelin ratio; left superior rectus [muscle]; liver/spleen... |
| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| SPH | secondary pulmonary hemosiderosis; severely and profoundly handicapped; spherocyte; spherocytosis; s... |
| L/S | Lecithin-Sphingomyelin |
|---|---|
| L/S | lecithin/sphingomyelin ration |
| L/S ratio | Lecithin/sphingomyelin ratio |
| SM | Sphingomyelin |
| SP | Sphingomyelin |
| sphingomyelin | <biochemistry> A sphingolipid in which the head group is phosphoryl choline. A close analogue of phosphatidylcholine. In many cells the concentration of sphingomyelin and phosphatidylcholine in the plasma membrane seems to bear a reciprocal relationship. (18 Nov 1997) |
|---|---|
| sphingomyelin deacylase | <enzyme> Forms sphingosylphosphocholine Registry number: EC 3.5.1.- Synonym: sm-deacylase (26 Jun 1999) |
| sphingomyelin lipidosis | <disease> A family of severe lysosomal storage diseases resulting in an accumulation of sphingomyelin and other phospholipids in the reticuloendothelial system. The best studied forms are due to deficiency of sphingomyelinase and it is more common in Ashkenazi Jews than other groups. Clinical signs include foam cells in the blood and marrow, hepatosplenomegaly and neurologic degeneration. Diagnosis is confirmed by enzyme assay on leukocytes or fibroblasts and specific mutations in the gene are now recognised. (29 Dec 1997) |
| sphingomyelin phosphodiesterase | <enzyme> An enzyme that catalyses the hydrolysis of sphingomyelin to ceramide (n-acylsphingosine) plus choline phosphate. A defect in this enzyme leads to niemann-pick disease. Chemical name: Sphingomyelin cholinephosphohydrolase Registry number: EC 3.1.4.12 (12 Dec 1998) |
| sphingomyelinase | <enzyme> An enzyme that catalyses the hydrolysis of sphingomyelin to ceramide (n-acylsphingosine) plus choline phosphate. A defect in this enzyme leads to niemann-pick disease. Chemical name: Sphingomyelin cholinephosphohydrolase Registry number: EC 3.1.4.12 (12 Dec 1998) |
| sphingomyelins | A group of phospholipids, found in brain, spinal cord, kidney, and egg yolk, containing 1-phosphocholine (choline O-phosphate) combined with a ceramide (a long-chain fatty acid linked to the nitrogen of a long-chain base, such as sphingosine). Synonym: ceramide 1-phosphorylcholine, phosphosphingosides. (05 Mar 2000) |
| 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) |
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Synonyms : Sphingomyelinase C
Synonyms :
| sphingomyelin |
A type of lipid.
Ãâó: www.lsdn.com/glance_glossary.shtml
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|---|---|
| sphingomyelin l. |
Niemann-Pick disease.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sphingomyelin phosphodiesterase |
[EC 3.1.4.12] an enzyme of the hydrolase class that catalyzes the cleavage of sphingomyelin to ceramide and phosphorylated choline in the major pathway for sphingomyelin degradation. Deficiency of the enzyme, an autosomal recessive trait, causes Niemann-Pick disease. Called also sphingomyelinase.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sphingomyelinase |
sphingomyelin phosphodiesterase.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| sphingomyelinase d. |
Niemann-Pick disease.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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