| 释义 |
‖ perigastrula Embryol.|pɛrɪˈgæstruːlə|
[mod.L. (Haeckel 18..) f. peri- + gastrula.]
The gastrula arising from a periblastic ovum. Hence periˈgastrular a. So perigastruˈlation, the formation of a perigastrula.
1876Lankester in Q. Jrnl. Microsc. Sc. XVI. 63 The invagination of the Periblastula to form the Perigastrula. 1879tr. Haeckel's Evol. Man I. viii. 200 Surface cleavage results in a Bladder-gastrula (Perigastrula)..the usual form among Articulated Animals. |