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Blastopore


A blastopore is an opening into the archenteron during the embryonic stages of an organism. The distinction between protostomes and deuterostomes is based on the direction in which the mouth (stoma) develops in relation to the blastopore. Protostome derives from the Greek word protostoma meaning "first mouth" whereas Deuterostome's etymology is "second...
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the opening by which the cavity of the gastrula, an embryonic stage in animal development, communicates with the exterior. During maturation of some animals it evolves into the anus or the mouth; in others it is covered over and contributes to the canal joining the primitive gut with the cavity of the neural tube, the primitive nervous system.
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blastopore synonyms. blastopore usage examples and blastopore quotes. ... blastopore definition. blasto·pore (blas′tō pôr′, -tə-) noun ...
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blastopore. ... blastopore. n. opening of the primitive intestinal tract (Embryology) ... blastopore. Noun. 1. the opening into the archenteron (hypernym) ...
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Blastopore - Wikipedia, the free encyclopedia. A blastopore is an opening into the archenteron during the embryonic stages of an organism. ...
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What is blastopore? Meaning of blastopore medical term. What does blastopore mean? ... blastopore /blas·to·pore/ (blas'to-por) the opening of the archenteron to the ...
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Science for People -- news from the lab without a lot of jargon. ... The blastopore tissue, they decided, must be very special. ...
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The Ultimate Blastopore - American History Online Reference Guide ... based on the direction in which the mouth develops in relation to the blastopore. ...
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In protostomes, the blastopore becomes the mouth. ... In deuterostomes, the initial site of ingrowth or invagination (blastopore) becomes the anus. ...
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The dorsal blastopore lip is not only the point of entry of cells, but also sets ... Dorsalization is when the dorsal blastopore lip forms around the entire ...
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Blastopore - the point where folding begins. ... Stages in the formation of the blastopore. Early. The Start of the Dorsal Lip. Completely formed blastopore ...
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Blastopore forms opposite the point of sperm entry at the L-R. center of the gray crescent: ... Induces Spemann Organizer = Dorsal Lip of the Blastopore ...
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blastopore can be thought of as the first opening. this opening, the blastopore, becomes either the mouth or the anus of animals ...
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A novel, activin-inducible, blastopore lip-specific gene of Xenopus laevis ... The organizer region, or dorsal blastopore lip, plays a central role in the ...
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