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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
[blas′təpôr]
Etymology: Gk, blastos + poros, opening
(in embryology) the opening into the archenteron made by invagination of the blastula.
blastopore [blas´to-por]
the opening of the archenteron to the exterior of the embryo at the gastrula stage.
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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The blastopore closed on day 15 when the germ ring completely enveloped the yolk.
Description of embryonic development of Atka mackerel (Pleurogrammus ... by Lauth, Robert R.; Blood, Deborah M. / Fishery Bulletin
First cell division was not apparent until day 4, after which divisions occurred daily until the blastopore appeared at day 28.
Embryo development and morphometry in the blue king crab Paralithodes ... by Stevens, Bradley G. / Journal of Shellfish Research
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
 
 
 
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