Gastrula is a 8 letter word which starts with the letter G and ends with the letter A for which we found 2 definitions.
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(n.) An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side thus giving rise to a double-walled sac with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense an ideal stage in embryonic development. See Gastraea. |
(a.) Of or pertaining to a gastrula. |