File:Abatus cordatus Hypothetical representation of perigastrulation.jpg

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Description Figure 13. Hypothetical representation of perigastrulation in Abatus cordatus. Big White arrow: invagination. Dotted arrow: broadcast of mesenchyme cells through the gastrular epithelium from the mesenchyme into the vitelline space. Black arrows: migration of the mesenchyme cells in the vitelline space. Dashed arrows: hypothesized sites of ingression of migrating cells. Abbreviations: aep, archenteric epithelium; ap, animal pole; ar, archenteron; bp, blastopore; fm, fertilization membrane; gep, gastrular epithelium; mc, migrating cells; mes, mesenchyme; V, vestibule; vp, vegetal pole; vs, vitelline space.
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Source https://archive.org/details/biologicalbullet1901996lill/page/40/mode/1up?view=theater The Biological bulletin. Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press.
Author Lillie, Frank Rattray, Moore, Carl Richard, Redfield, Alfred Clarence.

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current11:21, 26 March 2024Thumbnail for version as of 11:21, 26 March 2024682 × 711 (449 KB)Rasbak (talk | contribs){{information |description=Figure 13. Hypothetical representation of perigastrulation in Abatus cordatus. White arrow: invagination. Dotted arrow: broadcast of mesenchyme cells through the gastrular epithelium from the mesenchyme into the vitelline space. Black arrows: migration of the mesenchyme cells in the vitelline space. Dashed arrows: hypothesized sites of ingression of migrating cells. Abbreviations: aep, archenteric epithelium; ap, animal pole; ar, archenteron; bp, blastopore; fm, fer...

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