Gastrula

Gastrulation begins on the vegetal plate with the unipolar ingression of primary mesenchyme. Other processes also occur as the extension of the archenteron, the ingression of secondary mesenchyme cells and the initial formation of larval skeleton.

Leave a Reply

XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>