| 释义 |
amniote, n. and a. Zool.|ˈæmnɪəʊt|
[f. mod.L. Amniota (coined in Ger. by E. Haeckel in Gen. Morphol. Der Organismen (1866) I. p. cxxxii): see amniota n. pl.]
A. n. Any vertebrate whose embryo develops within an amnion and chorion and possesses an allantois, i.e. a reptile, bird, or mammal; cf. amniota n. pl.B. adj. Designating or pertaining to an amniote.
1887A. C. Haddon Introd. Study Embryol. iv. 95 The epiblastic epithelium lining it is the exact equivalent of the false amnion or serous membrane of other amniotes. 1893Funk's Stand. Dict. s.v. Amniota, Amniote, a. & n. 1926J. S. Kingsley Outl. Compar. Anat. Vertebr. (ed. 3) 397 In the amniotes the yolk sac reappears. 1949A. S. Romer Vertebr. Body xiii. 474 In the amniote heart the left atrium has no proper blood supply in the embryo. 1992Atlantic May 10/1 The explosive evolution of the reptiles was a direct result of the development of the amniote egg. |