Gastrula

Definition of Gastrula

Gas´tru`la
n.1.(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 Gastræa.

Related Words

archenteron, conceptus, embryo, fertilized egg
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Gastronome
Gastronomic
Gastronomist
Gastronomy
Gastrophrenic
Gastropneumatic
Gastropod
Gastropoda
Gastropodous
Gastroraphy
Gastroscope
Gastroscopic
Gastroscopy
Gastrosplenic
Gastrostege
Gastrostomy
Gastrotomy
Gastrotricha
Gastrotrocha
Gastrovascular
-Gastrula-
Gastrulation
Gastrura
Gastrurous
Gat
Gat-toothed
Gatch
Gatch decoration
Gatch work
Gate
Gate chamber
Gate channel
Gate hook
Gate money
Gate tender
Gate valva
Gate vein
gate-crashing
gateau
gatecrash
gatecrasher
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