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

Medical dictionary. 2011.

Look at other dictionaries:

  • 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 — 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} …   Australian English dictionary

  • cephalin — I. ˈsefələ̇n noun ( s) Etymology: New Latin Cephalina : a gregarine trophozoite complete with epimerite and usually attached to the cells of the host compare sporadin II. noun ( …   Useful english dictionary