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blastopore

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blastopore /blas·to·pore/ (blas´to-por) the opening of the archenteron to the exterior of the embryo at the gastrula stage.
blas·to·pore (blst-pôr)
n.
The opening into the archenteron formed by the invagination of the blastula to form a gastrula.
blasto·poric, blasto·poral (-pôrl) adj.
blastopore
the opening of the archenteron to the exterior of the embryo at the gastrula stage. Called also archistome, anus of Rusconi.
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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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