| 释义 |
chromaffin, a. Histol.|krəʊˈmæfɪn|
Also -ine.
[a. G. chromaffine (A. Kohn 1898, in Prager Med. Wochenschr. XXIII. No. 17), f. chrom- chromo- 1 + L. affīnis akin.]
Stained brown on exposure to chromic acid or its salts; applied esp. in man and the higher vertebrates to the adrenal medulla and the paraganglia. So chromaˈffinic a.
1903Swale Vincent in Jrnl. Anat. & Phys. XXXVIII. 41 The chromaffin cells of the suprarenal medulla. Ibid. 43 The chromaffin bodies in Petromyzon. 1907Practitioner Aug. 211 A series of cells which have been termed chromaffine cells, because they yield a yellow colour on treatment with chromic acid. 1913A. Keith Human Embryol. (ed. 3) 390 Coccygeal Body is a small mass of chromaffinic tissue. 1932J. M. Rogoff in E. V. Cowdry Special Cytol. (ed. 2) II. xxiii. 890 The chromaffin granules are known to consist of epinephrin, or of a complex whose chief constituent is epinephrin, and the color reactions which they yield in situ are those of epinephrin. 1964L. Martin Clin. Endocrinol. (ed. 4) v. 163 The medulla arises from ectodermal tissue and consists of chromaffin and sympathetic ganglion cells. |