单词 | trophozooid |
释义 | > as lemmastrophozooid trophozooid n. Brit. /ˌtrɒfə(ʊ)ˈzuːɔɪd/ , /ˌtrəʊfə(ʊ)ˈzuːɔɪd/ , /ˌtrɒfə(ʊ)ˈzəʊɔɪd/ , /ˌtrəʊfə(ʊ)ˈzəʊɔɪd/ , /ˌtrɒfə(ʊ)ˈzuːɪd/ , /ˌtrəʊfə(ʊ)ˈzuːɪd/ , U.S. /ˌtrɑfoʊˈzoʊˌɔɪd/ , /ˌtroʊfoʊˈzoʊˌɔɪd/ , /ˌtrɑfoʊˈzuˌɔɪd/ , /ˌtroʊfoʊˈzuˌɔɪd/ (in a hydrozoan or other colonial organism) a non-reproductive zooid serving a primarily nutritive role; cf. trophosome n.ΘΚΠ the world > animals > invertebrates > colony or compound organism > [noun] > polyp or zooid of colony > nutritive zooid trophozooid1888 1888 W. A. Herdman in Encycl. Brit. XXIII. 615/2 Nutritive forms (trophozooids) which remain permanently attached to the nurse, and serve to provide it with food. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxxii. 186/2 Trophozooids..are sterile, nutritive and respiratory in function. 2003 R. E. Dunmur tr. P. Ax Multicellular Animals III. 164 (caption) The trophozooids reach a length of 4–5 mm. < as lemmas |
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