File:Rugh 156.jpg
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The coelom and its derivatives in the frog
The heart rudiment develops early from splanchnic mesenchymal cells which grow ventrally toward the mid-line below the pharynx. There they aggregate to form paired spaces (anterior coelomic spaces) at about the tail bud stage. This seems to occur under the inductive influence of the archenteric floor. In the meantime there appear scattered and possibly endodermal cells dorsal to the point of junction of the converging mesodermal masses and ventral to the pharynx. These are known as endothelial cells which become endocardial cells.
- Links: The Frog Heart
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Reference
Rugh R. Book - The Frog Its Reproduction and Development. (1951) The Blakiston Company.
Cite this page: Hill, M.A. (2024, May 11) Embryology Rugh 156.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Rugh_156.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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