Buccopharyngeal membrane

Buccopharyngeal membrane
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Human embryo about fifteen days old. Brain and heart represented from right side. Digestive tube and yolk sac in median section. (Buccopharyngeal membrane labeled in upper left.)
Details
Identifiers
LatinMembrana buccopharyngea
Anatomical terminology

The region where the crescentic masses of the ectoderm and endoderm come into direct contact with each other constitutes a thin membrane, the buccopharyngeal membrane (or oropharyngeal membrane), which forms a septum between the primitive mouth and pharynx. In front of the buccopharyngeal area, where the lateral crescents of mesoderm fuse in the middle line, the pericardium is afterward developed, and this region is therefore designated the pericardial area.

References

This article incorporates text in the public domain from page 47 of the 20th edition of Gray's Anatomy (1918)



This page was last updated at 2019-11-10 14:48 UTC. Update now. View original page.

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