| 释义 |
metazoan, a. and n.|mɛtəˈzəʊən|
[f. prec. + -an.]
a. adj. Belonging to or characteristic of the Metazoa.
b. n. One of the Metazoa.
1884Hyatt in Proc. Boston Soc. Nat. Hist. XXIII. 140 The adult ascon, the lowest Metazoan. 1886Geddes in Encycl. Brit. XX. 419/1 The Metazoan segmentation of the ovum. 1904Brit. Med. Jrnl. 15 Oct. 971 For every character presented by a Metazoan individual, a man for example, there is always a second character latent or dormant in his germ-cells. 1940L. H. Hyman Invertebrates I. v. 250 The ancestral metazoan would not have required a digestive sac or mouth. Ibid. 252 The three lowest metazoan phyla, the Porifera, the Cnidaria, and the Ctenophora, are commonly stated to have remained at the gastrular level of construction. 1965B. E. Freeman tr. Vandel's Biospeleol. vii. 64 Those Metazoan groups which are almost exclusively marine are represented underground by very few species. 1971Nature 28 May 260/1 Gravity corers are widely used for the collection of the smallest marine metazoans (meiofauna) from subtidal grounds.
So metaˈzoic a. = metazoan a.
1877Huxley Anat. Inv. Anim. i. 47 What distinguishes the metazoic aggregate is that [etc.]. |