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单词 ovicapsule
释义 ovicapsule Anat. and Zool.|əʊvɪˈkæpsjuːl|
[f. ovi-1 + capsule: so in mod.F.]
A capsule or sac containing an ovum (e.g. a Graafian follicle) or a number of ova (e.g. the egg-case of various fishes); an egg-case, an ovisac. Hence oviˈcapsular a., pertaining to an ovicapsule.
1853in Dunglison Med. Lex.1859Todd Cycl. Anat. V. 106*/1 Those ova which have left the ovicapsule.1877Huxley Anat. Inv. Anim. vii. 442 But in the larger ova which succeed these, the cells of the ovicapsule rapidly enlarge.Ibid., The indifferent tissue..gives rise not only to ova and ovicapsular epithelium, but to large vitelligenous cells.
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更新时间:2024/12/22 15:19:37