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(Human Embryo Carnegie stage 7, 17 days, pre-somite, scanning electron micrograph image Embryonic disc (epiblast/ectoderm layer) dorsal view, with amniotic membrane partially removed. Primitive node (Henson's node) in centre of disc and primitive streak)
 
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Human Embryo
==Human Embryo Carnegie stage 7==


Carnegie stage 7, 17 days, pre-somite, scanning electron micrograph image
17 days, pre-somite, scanning electron micrograph image


Embryonic disc (epiblast/ectoderm layer) dorsal view, with amniotic membrane partially removed.
Embryonic disc (epiblast/ectoderm layer) dorsal view, with amniotic membrane partially removed.
Line 9: Line 9:
See also [[:File:Stage7-sem1.jpg|Stage7-sem1.jpg]] image original orientation.
See also [[:File:Stage7-sem1.jpg|Stage7-sem1.jpg]] image original orientation.


{{Template:SEM}}


[[Category:Human Embryo]] [[Category:Carnegie Stage]] [[Category:Week 3]] [[Category:Gastrulation]]
 
:[[Carnegie stage 7|'''Stage 7 Links''']]: [[Carnegie stage 7]] | [[Gastrulation]] | [[Notochord]] | [[Week 3]] | [[:File:Stage7-sem1.jpg|Image 1 - Stage 7 SEM]] | [[:File:Stage7-sem2.jpg|Image 2 - Stage 7 SEM]]
 
 
{{Stage 7 mesoderm images}}
 
 
{{Carnegie_stages}}
 
 
{{SEM}}
[[Category:Human Embryo]] [[Category:Carnegie Stage]] [[Category:Carnegie Stage 7]] [[Category:Week 3]] [[Category:Gastrulation]]

Latest revision as of 13:35, 18 May 2016

Human Embryo Carnegie stage 7

17 days, pre-somite, scanning electron micrograph image

Embryonic disc (epiblast/ectoderm layer) dorsal view, with amniotic membrane partially removed.

Primitive node (Henson's node) in centre of disc and primitive streak, shown as indentation in disc is extending to the bottom of image. Connecting stalk is shown at the bottom of image.

See also Stage7-sem1.jpg image original orientation.


Stage 7 Links: Carnegie stage 7 | Gastrulation | Notochord | Week 3 | Image 1 - Stage 7 SEM | Image 2 - Stage 7 SEM


  • Embryo Stage 7 (dorsal)
  • Dorsal view

    Dorsal view

  • Primitive streak and node

    Primitive streak and node

  • Oral and cloacal membranes

    Oral and cloacal membranes

  • Axial mesoderm

    Axial mesoderm

  • Paraxial mesoderm

    Paraxial mesoderm

  • Intermediate mesoderm

    Intermediate mesoderm

  • Lateral plate

    Lateral plate


Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline


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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current13:15, 21 August 2009Thumbnail for version as of 13:15, 21 August 2009590 × 800 (98 KB)MarkHill (talk | contribs)Human Embryo Carnegie stage 7, 17 days, pre-somite, scanning electron micrograph image Embryonic disc (epiblast/ectoderm layer) dorsal view, with amniotic membrane partially removed. Primitive node (Henson's node) in centre of disc and primitive streak

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