cephalin

cephalin
A term formerly applied to a group of phosphatidic esters resembling lecithin but containing either 2-ethanolamine or l-serine in the place of choline; these are now known as phosphatidylethanolamine and phosphatidylserine. They are widely distributed in the body, especially in the brain and spinal cord, and are used as local hemostatics and as reagents in liver function test. SYN: kephalin.

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ceph·a·lin 'kef-ə-lən, 'sef- also keph·a·lin 'kef- n PHOSPHATIDYLETHANOLAMINE

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n.
one of a group of phospholipid that are constituents of cell membranes and are particularly abundant in the brain.

Medical dictionary. 2011.

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  • cephalin — ceph a*lin (k[e^]f [.a]*l[i^]n), n. [Gr. kefalh the head; it was supposed by Thudichum to exist in brain tissue.] (Physiol. Chem.) One of a group of phospholipids (nitrogenous phosphorized fatty substances), present in all living cells and… …   The Collaborative International Dictionary of English

  • cephalin — [sef′ə lin] n. [ CEPHAL(O) + IN1 (modeled on earlier Ger kephalin)] a phospholipid, similar to lecithin, found esp. in brain and nerve tissue …   English World dictionary

  • cephalin-cholesterol flocculation — ▪ medicine       laboratory test for the nonspecific measurement of blood globulins, a group of proteins that appear in abnormally high concentrations (hyperglobulinemia) in association with certain diseases. The test consists of adding blood… …   Universalium

  • cephalin — noun Etymology: International Scientific Vocabulary Date: circa 1899 phosphatidylethanolamine …   New Collegiate Dictionary

  • cephalin — /sef euh lin/, n. Biochem. any of several phosphatides occurring in animal tissue, esp. of the brain, and having marked blood clotting properties. [1895 1900; CEPHAL + IN2] * * * …   Universalium

  • cephalin — noun a phospholipid found particularly in the cells of nervous tissue; it is also the primary phospholipid in bacteria Syn: phosphatidylethanolamine …   Wiktionary

  • cephalin — ceph·a·lin …   English syllables

  • cephalin — n. one of a group of phospholipids that are constituents of cell membranes and are particularly abundant in the brain …   The new mediacal dictionary

  • cephalin — ceph•a•lin [[t]ˈsɛf ə lɪn[/t]] n. biochem. a phospholipid of the cell membrane, abundant esp. in the brain • Etymology: 1895–1900 …   From formal English to slang

  • cephalin — /ˈkɛfələn/ (say kefuhluhn), /ˈsɛf / (say sef ) noun a phosphatide, phosphatidyl ethanolamine, occurring mainly in the brain. Also, kephalin. {cephal + in2} …  

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