File:Bailey322.jpg

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Fig. 322. From a model of the cloaca and the surrounding structures in a human embryo of 6.5 mm

Franz Keibel (1861-1929)

  • The portion of the gut immediately caudal to the attachment of the allantoic duct becomes dilated to form the cloaca which at first is a blind sac, its cavity being separated from the outer surface of the embryo by the cloacal membrane (Fig. 322).
  • The openings of the mesonephric ducts, which primarily were situated in the lateral cloacal wall (p. 359), are situated after the separation in the dorso-lateral wall of the urogenital sinus (compare Figs. 322, 323, 324).
Link: Figure in Text


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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, January 16) Embryology Bailey322.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey322.jpg

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