单词 | nidamental gland |
释义 | > as lemmasnidamental gland nidamental gland n. Zoology any of various glands in certain marine invertebrates, esp. molluscs, that secrete a protective capsule or layer of mucus around an ovum; (also) a gland which secretes the collagenous material of the egg capsule of an elasmobranch fish. ΚΠ 1835-6Nidamental gland [see sense 1]. 1877 T. H. Huxley Man. Anat. Invertebrated Animals viii. 534 The nidamental glands, composed of numerous vertical lamellæ,..are situated on the posterior wall of that cavity. a1933 J. A. Thomson Biol. for Everyman (1934) I. xv. 405 (caption) The Pearly Nautilus... Position of nidamental gland. 1996 Philos. Trans. (Royal Soc.) B. 351 1205/2 The dogfish egg case and the nidamental gland which secretes it. < as lemmas |
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