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blastopore |
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blastopore [′blas·tə‚pȯr] (embryology) The opening of the archenteron. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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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). Stage 2: gastrulation, cellular organization, and differentiation are evident; first embryonic membrane is ruptured as the embryo becomes asymmetrical; blastopore can be discerned |
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