About The Word Gastrula
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Gastrula
| Gastrula Definition And Meaning |
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What's The Definition Of Gastrula?
[n] double-walled stage of the embryo succeeding the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
Synonyms | Synonyms for Gastrula: Related Terms | Find terms related to Gastrula: See Also | archenteron | conceptus | embryo | fertilized egg Gastrula In Webster's Dictionary \Gas"tru*la\, n.; pl. {Gastrul[ae]}[NL., dim. fr. Gr. ?
the stomach.] (Biol.)
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 {Gastr[ae]a}. -- a. Of or pertaining to a
gastrula.
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