The lip of the blastopore is where the outer cell layer (epiblast) meets the inner cell layer (hypo- blast). One side of the blastoporal lip is dorsal – as ...
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www.springerlink.com/index/6GJNXBNCG82E3YC2.pdf
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ferentiation into notochord of the dorsal blastoporal lip of stages prior to stage III and the induction of ear by the dorsal lip of stages other than ill ...
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joi.jlc.jst.go.jp/JST.Journalarchive/pjab1945/24.30?fro...
joi.jlc.jst.go.jp/JST.Journalarchive/pjab1945/24.30?from=Google
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In recent years our interest in the ventral blastoporal cells has been revived ... the dorsal lip there has been always a tendency of doubling of the neural ...
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www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/2...
www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/20005b8b_647.pdf
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The dorsal blastoporal lip becomes visible as a slight indentation (indicated .... Arrowheads point to the dorsal blastoporal lip. Images are sagittal with ...
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linkinghub.elsevier.com/retrieve/pii/S0012160607001029
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The dorsal, blastoporal lip serves as an organizer for this developmental sequence and the grafting of an additional organizer into a ventral location ...
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linkinghub.elsevier.com/retrieve/pii/S0022519384802179
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The bottle cells, marking the initiation of involution, have already formed mid-dorsally as indicated by the black pigment accumulation. Note that the dorsal IMZ, region above these bottle cells rolls over the blastoporal lip and disappears inside;
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faculty.virginia.edu/shook/ShowMovies/index.htm
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The scanning electron micrographs below demonstrate the behavior of bottle cells during formation of the dorsal blastopore lip in Xenopus. As bottle cells begin to form, they can be seen to undergo apical constriction. ... Rolling of the blastoporal lip Onset of apical constriction: profile; Blastoporal groove: surface view...
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worms.zoology.wisc.edu/frogs/gastxen/gx_api3.html
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blastoporal groove-The groove formed as result of the formation of bottle cells. ... dorsal lip of the blastopore- Site of initiation of gastrulation in the amphibian embryo. The dorsal lip, which forms at the site of the gray crescent, forms the dorsal margin of the blastopore. Return to Gastrulation- Sagittal View or...
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worms.zoology.wisc.edu/frogs/glossary.html
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In vertebrates, the earliest detectable expression of Lim1 begins at the gastrula stage in the amphibian Spemann organizer or its homologs in other vertebrate classes—that is, in the dorsal blastoporal lip and dorsal mesoderm of Xenopus [12-16], in the shield of zebrafish [17,18], and in the node/anterior...
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www.biolsci.org/v02p0110.htm
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