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blastopore

   Also found in: Medical, Encyclopedia, Wikipedia 0.04 sec.
blas·to·pore  (blst-pôr, -pr)
n. Embryology
The opening of the archenteron.
[blasto- + pore.]
blasto·poric, blasto·poral (-pôrl, -pr-) adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.blastopore - the opening into the archenteron
archenteron - central cavity of the gastrula; becomes the intestinal or digestive cavity
orifice, porta, opening - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"


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At 20-30 [micro]M (Figures 4 and 6), the larvae remained motile, retained the blastopore and the lower part of archenteron and generally survived through the next 1-2 days; they did not lose their extralarval caps (category III).
An Invertebrate Model of the Developmental Neurotoxicity of ... by Slotkin, Theodore A. / Environmental Health Perspectives
Stage 2: gastrulation, cellular organization, and differentiation are evident; first embryonic membrane is ruptured as the embryo becomes asymmetrical; blastopore can be discerned
Embryotoxicity of the Alkylphenol Degradation Product 4-Nonylphenol ... by Rider, Cynthia V. / Environmental Health Perspectives
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