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Figs. 301, 302 and 303. Diagrams showing stages in the development of the bursa omentalis, the greater omentum, and the fusion of the latter with the transverse mesocolon

Diagrams represent sagittal sections (For explanation of lettering in Figs. 302 and 303 see Fig. 301).

From the third month on, the greater omentum becomes larger and gradually extends toward the ventral abdominal wall, over the transverse colon, and then caudally between the body wall and the small intestine (Figs. 301 and 302). The portion between the body wall and intestine encloses merely a flat cavity continuous with the larger cavity dorsal to the stomach.


From the fourth month on, the omentum fuses with certain other structures and becomes less free. The dorsal lamella fuses with the dorsal body wall on the left side and with the transverse mesocolon and transverse colon (Fig. 303).


During the first or second year after birth the two lamellae fuse with each other caudal to the transverse colon to form the greater omentum of adult anatomy.

Links: Coelomic Cavity Development | Gastrointestinal Tract Development


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Pages where the terms "Historic Textbook" and "Historic Embryology" appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms and interpretations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Reference

Bailey FR. and Miller AM. Text-Book of Embryology (1921) New York: William Wood and Co.



Cite this page: Hill, M.A. (2019, June 18) Embryology Bailey301-303.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey301-303.jpg

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