| 释义 |
‖ Metazoa, n. pl.|mɛtəˈzəʊə|
[f. Gr. µετα- meta- 4 + ζῷα pl. of ζῷον animal. (E. Haeckel 1874, in Jenaische Zeitschr. Naturwiss. VIII. 10).]
Haeckel's term for one of the two great divisions (the other being Protozoa) of the animal kingdom, comprising those animals whose bodies consist of many cells. Also sing. metaˈzoon, one of the Metazoa.
1874Huxley in Jrnl. Linn. Soc., Zool. XII. 202 The Metazoa of Haeckel. Ibid. 205 The next stage in the development of the embryo of a Metazoon consists [etc.]. 1878Bell tr. Gegenbaur's Comp. Anat. 89 This division is the first of the Metazoa, or organisms which are undoubtedly animals. 1940L. H. Hyman Invertebrates I. v. 249 Even the simplest Metazoa are two-layered or diploblastic. 1963A. Remane in E. C. Dougherty et al. Lower Metazoa ii. 26 No biologist regards Protohydra as the most primitive metazoön. |