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单词 germinal epithelium
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germinal epithelium
germinal epithelium n. [after German Keimepithel (1866 or earlier)] epithelium giving rising to germ cells, esp. that lining the seminiferous tubules of the testis; (also) a layer of cuboidal cells covering the free surface of the ovary (originally believed to give rise to germ cells).
ΚΠ
1870 Jrnl. Anat. & Physiol. 4 161 There is in all the higher vertebrata a stage where the genital gland is invested with germinal epithelium (Keim-epithel), in which the first indications of ova are visible.
1913 J. W. Jenkinson Vertebr. Embryol. iii. 26 The researches of recent years have, however, brought forward very strong evidence to show that the first germ-cells are not formed in or from the germinal epithelium, but elsewhere in the body.
1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) v. 59 From the cells in the germinal epithelium in the testes by simple mitosis cells called spermatogonia are produced.
2007 U. Vielkind tr. H. F. Nauth Gynecol. Cytol. ii. 45/1 The surface of the ovary is covered by a simple cuboidal epithelium, the germinal epithelium.
extracted from germinaladj.
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