File:Stage8 sem2.jpg: Difference between revisions
From Embryology
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==Scanning EM showing | ==Human Scanning EM showing the Neurenteric Canal== | ||
Human embryo ([[Carnegie stage 8|Stage 8]], day 18) showing the neurenteric canal and nodal cilia. | Human embryo ([[Carnegie stage 8|Stage 8]], day 18) showing the neurenteric canal and nodal cilia. | ||
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:'''Links:''' [[Carnegie stage 8|Stage 8]] | [[Gastrulation]] | :'''Links:''' [[:File:Stage8_sem1.jpg|Image - notochordal plate]] | [[:File:Stage8_sem2.jpg|Image - neurenteric canal]] | [[:File:Stage8_sem3.jpg|Image - nodal cilia]] | [[Carnegie stage 8|Stage 8]] | [[Gastrulation]] | ||
Revision as of 23:21, 14 December 2013
Human Scanning EM showing the Neurenteric Canal
Human embryo (Stage 8, day 18) showing the neurenteric canal and nodal cilia.
The neurenteric canal (archenteric canal, blastoporic canal, Braun's canal) is a transient communication that occurs briefly between the neural tube, notochordal canal, and gut endoderm.
The nodal cilia are thought to act to "stir" the overlying fluid layer at the time of gastrulation. This fluid contains secreted morphogens that are moved in one direction and therefore may have a role in establishing the initial embryo left/right axis.
- Links: Image - notochordal plate | Image - neurenteric canal | Image - nodal cilia | Stage 8 | Gastrulation
{SEM}}
Original file name:Stage8day18neuroentericcanal.jpg
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:58, 22 August 2009 |  | 822 × 1,000 (142 KB) | S8600021 (talk | contribs) | Human embryo (Stage 8, day 18) Scanning EM showing detail of the neuroenteric canal. Original file name:Stage8day18neuroentericcanal.jpg {{Template:SEM}} |
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