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单词 ovisac
释义 ovisac Anat. and Zool.|ˈəʊvɪsæk|
[f. ovi-1 + sac. So in mod.F. (Littré).]
A sac, cell, or pouch containing an ovum (as a Graafian follicle), or a number of ova (as the investing membrane of the roe in some fishes); an egg-case.
1835–6Todd Cycl. Anat. I. 559/1 The ovisacs [in the Octopods] are..connected in bunches.1872Peaslee Ovar. Tumours 7 Each mature ovisac contains a mature ovum.1877Huxley Anat. Inv. Anim. vi. 271 The eggs are carried about in the ovisacs until they are hatched.
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