Coelomic Cavity Development: Difference between revisions

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[[Category:System Development]]
 
Introduction
The intraembryonic coelom is the primitive cavity that lies within the developing embryo that will form the 3 major body cavities: pericardial, pleural, peritoneal.
 
 
Peritoneal Cavity (stage 13/14) surrounding the stomach
 
The coelom forms very early in embryogenesis and is much later paritioned inferiorly by the diaphragm and pleuroperitoneal membrane; and superiorly initially by the pleuropericardial fold between the heart and lungs.
 
 
The intraembryonic coelom communicated through coelomic portals (at the level of midgut herniation) with the extraembryonic coelom.
 
 
All cavities are fluid filled and developing organs push against a wall of the cavity, generating a double coat (serosal/adventital) surrounding an organ (for example the lungs). The serous membrane is the epithelium (squamous) and its associated underlying loose connective tissue.
 
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[[Category:System Development]] [[Category:Coelomic Cavity]]

Revision as of 12:12, 16 April 2010

Coelom Links: Introduction | Lecture - Week 3 Development | Lecture - Mesoderm Development | Placenta - Membranes | Category:Coelomic Cavity
Historic Embryology - Coelomic Cavity  
1891 peritoneal | 1897 human coelom | 1910 Coelom and Diaphragm | 1924 serous


Introduction The intraembryonic coelom is the primitive cavity that lies within the developing embryo that will form the 3 major body cavities: pericardial, pleural, peritoneal.


Peritoneal Cavity (stage 13/14) surrounding the stomach

The coelom forms very early in embryogenesis and is much later paritioned inferiorly by the diaphragm and pleuroperitoneal membrane; and superiorly initially by the pleuropericardial fold between the heart and lungs.


The intraembryonic coelom communicated through coelomic portals (at the level of midgut herniation) with the extraembryonic coelom.


All cavities are fluid filled and developing organs push against a wall of the cavity, generating a double coat (serosal/adventital) surrounding an organ (for example the lungs). The serous membrane is the epithelium (squamous) and its associated underlying loose connective tissue.

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Cite this page: Hill, M.A. (2024, April 26) Embryology Coelomic Cavity Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Coelomic_Cavity_Development

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G