File:Stage9 bf2c.jpg

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Revision as of 13:04, 22 August 2009 by S8600021 (talk | contribs) (Human embryo Stage 9 day 20, somites 3-4 Ventrolateral view (cut away from chorion and amniotic sac) showing the embryo and yolk sac. Note: # the relative size of the embryo and the associated extra-embryonic coeloms. # the shape of the early folded e)
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Stage9_bf2c.jpg(325 × 400 pixels, file size: 9 KB, MIME type: image/jpeg)

Human embryo

Stage 9 day 20, somites 3-4

Ventrolateral view (cut away from chorion and amniotic sac) showing the embryo and yolk sac.

Note:

  1. the relative size of the embryo and the associated extra-embryonic coeloms.
  2. the shape of the early folded embryonic disc and rostro-caudal bendings.
  3. the relative thicknesses of the embryo and extra-embryonic membranes.
  4. the position of the prechordal plate (cardiogenic region) ventral to brain fold.

Original file name: Stage9day20somites3-4lateralbf2-400px.jpg

Image Source: Scanning electron micrographs of the Carnegie stages of the early human embryos are reproduced with the permission of Prof Kathy Sulik, from embryos collected by Dr. Vekemans and Tania Attié-Bitach. Images are for educational purposes only and cannot be reproduced electronically or in writing without permission.

Embryonic Development

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current13:04, 22 August 2009Thumbnail for version as of 13:04, 22 August 2009325 × 400 (9 KB)S8600021 (talk | contribs)Human embryo Stage 9 day 20, somites 3-4 Ventrolateral view (cut away from chorion and amniotic sac) showing the embryo and yolk sac. Note: # the relative size of the embryo and the associated extra-embryonic coeloms. # the shape of the early folded e