| gastrula | Embryonic stage of an animal when gastrulation occurs, follows blastula stage. (18 Nov 1997) |
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| gastrulation | <embryology> During embryonic development of most animals a complex and co-ordinated series of cellular movements occurs at the end of cleavage. The details of these movements, gastrulation, vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm. (18 Nov 1997) |
Synonyms : Archenterons, Blastopores, Gastrocoeles, Gastrulas, Gut, Primitive, Guts, Primitive, Primitive Guts, Primitive Streaks, Streak, Primitive, Streaks, Primitive
| gastrula |
double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
Ãâó: wordnet.princeton.edu/perl/webwn
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| gastrulation |
the process in which a gastrula develops from a blastula by the inward migration of cells
Ãâó: wordnet.princeton.edu/perl/webwn
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| gastrulation |
The process of movements and infoldings of embryonic cells destined to become endoderm in early animal embryos, immediately following blastula (or blastoderm) stage, generating the blastopore.
Ãâó: helios.bto.ed.ac.uk/bto/glossary/gh.htm
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| gastrula |
[Greek, = little stomach] A stage of an animal embryo in which the three germ layers have just formed.
Ãâó: embryology.med.unsw.edu.au/Notes/Index/G.htm
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| gastrulation |
The process of forming a gastrula. Term means "to form a gut" but implies more in development of the embryo.
Ãâó: embryology.med.unsw.edu.au/Notes/Index/G.htm
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| gastrula | double-walled stage of the embryo succeeding the blastula |
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| gastrula | the process in which a gastrula develops from a blastula by the inward migration of cells |
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