Template:Human notochord timeline table: Difference between revisions
From Embryology
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| {{CS7}} | | {{CS7}} | ||
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| notochordal process directly rostral to the area of gastrulation. | | notochordal process directly rostral to the area of gastrulation. | ||
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| {{CS8}} to {{CS10}} | | {{CS8}} to {{CS10}} | ||
| 17 to 23 | | 17 to 23 | ||
| group of undifferentiated cells that briefly persists. Within the notochordal process, a connection between the amniotic cavity and yolk-sac (neurenteric canal). | | group of undifferentiated cells that briefly persists. Within the notochordal process, a connection between the amniotic cavity and yolk-sac (neurenteric canal). | ||
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| {{CS8}} to {{CS11}} | | {{CS8}} to {{CS11}} | ||
| | | 17 to 26 | ||
| notochordal process incorporates entirely into the endoderm, forming the epithelial notochordal plate. | | notochordal process incorporates entirely into the endoderm, forming the epithelial notochordal plate. | ||
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| {{CS10}} to {{CS11}} | | {{CS10}} to {{CS11}} | ||
| 21 to 26 | | 21 to 26 | ||
| notochordal plate then acquires an “inverted U-shape”, relatively lengthens during these stages and remains intimately associated with the neural tube until stage 12 (26–30 days). | | notochordal plate then acquires an “inverted U-shape”, relatively lengthens during these stages and remains intimately associated with the neural tube until stage 12 (26–30 days). | ||
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| {{CS12}} | | {{CS12}} | ||
| | | 26 to 30 | ||
| notochordal plate detaches completely from the endoderm to form the definitive notochord. | | notochordal plate detaches completely from the endoderm to form the definitive notochord. | ||
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| Table data{{#pmid:30346967|PMID30346967}} '''Links:''' {{notochord}} | |||
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Revision as of 11:29, 29 October 2018
| CarnegieStage | Days | Event |
|---|---|---|
| 7 | 15 to 17 | notochordal process directly rostral to the area of gastrulation. |
| 8 to 10 | 17 to 23 | group of undifferentiated cells that briefly persists. Within the notochordal process, a connection between the amniotic cavity and yolk-sac (neurenteric canal). |
| 8 to 11 | 17 to 26 | notochordal process incorporates entirely into the endoderm, forming the epithelial notochordal plate. |
| 10 to 11 | 21 to 26 | notochordal plate then acquires an “inverted U-shape”, relatively lengthens during these stages and remains intimately associated with the neural tube until stage 12 (26–30 days). |
| 12 | 26 to 30 | notochordal plate detaches completely from the endoderm to form the definitive notochord. |
| 12 to 14 | 26 to 35 days | definitive notochord formation then allows the paired dorsal aortae to fuse in-between the notochord and the roof of the gut. |
| Table data[1] Links: notochord |
