单词 | ooecium |
释义 | ooeciumoeciumn. Zoology. The ovicell of certain bryozoans. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Polyzoa > [noun] > member of > receptacle for ova ovicell1856 marsupial capsule1878 ooecium1881 oocyst1882 1881 G. Busk in Jrnl. Microsc. Sc. Jan. 3 The oœcium is sub-globular and affixed to the upper and outer border of the zoœcium. 1898 Amer. Naturalist 32 205 Fertilization takes place in the ovary. The egg then passes into an ‘oœcium’,—a modified polypide,—to the wall of which the ovary may be said potentially to belong. 1927 Q. Rev. Biol. 2 401 The ooecium is the fifth member of the internode. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxviii. 163 (caption) Anascan individual bearing an ooecium or brood chamber on the anterior border. 1998 Acta Zoologica 79 287 Each pore is closed by a cell plug, and the ooecia may be considered as kenozooids. Derivatives ooˈecial adj. rare Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Oœcial, pertaining to an oœcium. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.1881 |
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