Definitions of gastrula
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. 2
a. - Of or pertaining to a gastrula. 2
The word "gastrula" uses 8 letters: A A G L R S T U.
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