Intra-embryonic coelom
| Intra-embryonic coelom | |
|---|---|
| Details | |
| Latin | coeloma intraembryonicum |
| Days | 23 |
| Precursor | lateral plate mesoderm |
| Gives rise to | pericardial cavity, pleural cavity, peritoneal cavity |
| Identifiers | |
| Code | TE E5.8.0.0.2.0.1 |
| TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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In the development of the human embryo the intraembryonic coelom (or somatic coelom) is a portion of the conceptus forming in the mesoderm during the third week of development. During the third week of development, the lateral mesoderm splits into a dorsal somatic mesoderm (somatopleure) and a ventral splanchnic mesoderm (splanchnopleure). The resulting cavity between the somatopleure and splanchnopleure is called the intraembryonic coelom. This space will give rise to the thoracic and abdominal cavities. The coelomic spaces in the lateral mesoderm and cardiogenic area are isolated. The isolated coelom begin to organize into a horseshoe shape. The spaces soon join together and form a single horseshoe-shaped cavity, the Intraembryonic Coelom which separates the mesoderm into two layers
It briefly has a connection with the extraembryonic coelom.
External links
- http://www.embryology.ch/anglais/hdisqueembry/triderm09.html
- http://embryology.med.unsw.edu.au/Notes/coelom.htm
- http://www.ana.ed.ac.uk/database/humat/notes/embryo/cavities/coelom.htm
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