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gastrula

Gastrula is a 8 letter word which starts with the letter G and ends with the letter A for which we found 2 definitions.

Definition
(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.
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