| 单词 |
cephalin |
| 释义 |
▪ I. cephalin1 Zool.|ˈsɛfəlɪn|
[ad. F. céphalin (A. Schneider 1875, in Arch. Zool. Exp. Gen. IV. 518), f. Gr. κεϕαλή head + -in1.]
= cephalont.
1888Rolleston & Jackson Anim. Life 858 A Polycystid possessing all three segments is known as a Cephalin or Cephalont. 1912E. A. Minchin Introd. Study Protozoa xiv. 326 In the earlier phase, in which an epimerite is present, the parasite was termed by Aimé Schneider a cephalont (‘cephalin’).
▪ II. cephalin2 Biochem.|ˈsɛfəlɪn|
[f. cephal- + -in1.]
Now the usual spelling of kephalin: a phospholipid similar to lecithin, originally isolated from brain-tissue and capable of accelerating the coagulation of blood.
1900in Dorland Med. Dict. 1920J. J. R. Macleod Physiol. & Biochem. (ed. 2) lxxvii. 689 Other phospholipins present in nervous tissue are cephalin, cuorin and sphingo⁓myelin. 1961Lancet 5 Aug. 286/2 In normal plasma 50–55% of the protein-bound calcium is bound to albumin, and the rest mainly to globulin and cephalins. 1964Oceanogr. & Marine Biol. II. 173 Plasmalogens..are closely related to the classical lecithin (phosphatidyl choline) and cephalin (phosphatidyl ethanolamine). |
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