File:Odgers1938 fig12.jpg

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Plate II


  • R.B.R. right bulbar ridge.
  • L.B.R. left bulbar ridge.
  • R.S.T. right superior tubercle of the A.-V. cushions.
  • R.I.T. right inferior tubercle of the A.-V. cushions.
  • I.V.S. interventricular septum.
  • A.V.C. auriculoventricular cushions.
  • B.A.C. bulbo-auricular channel.

Fig. 12. This is a section from a 17-5 mm. embryo ( x 80) and shows a notch in the same situation as that seen above, but now it is much less well marked.

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Pages where the terms "Historic" (textbooks, papers, people, recommendations) 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, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)


Odgers PN. The development of the pars membranacea septi in the human heart. (1938) J Anat. 72(2): 247-59. PMID 17104688]

Cite this page: Hill, M.A. (2024, June 23) Embryology Odgers1938 fig12.jpg. Retrieved from

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