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Plate I Fig 7.

Abbreviations

  • 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.


Figs. 6-7. These are sections through the heart of a 14-5 mm. embryo ( x 80). In Fig. 6, which is through the centre of the interventricular foramen, the A.-V. cushion, A. V.0'., is seen to be proliferating, while similar cushion tissue, X, caps the interventricular septum, I. 17.8.

In Fig. 7 the proliferating cushion tissue is making contact with that on the septum, X, while its right border is joined by the right bulbar ridge, R.B.R., as it encloses the bulbo-auricular channel, BA .0.


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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)

Reference

Odgers PN. The development of the pars membranacea septi in the human heart. (1938) J Anat. 72(2): 247-59. https://www.ncbi.nlm.nih.gov/pubmed/17104688 PMID 17104688]


Cite this page: Hill, M.A. (2024, June 13) Embryology Odgers1938 fig07.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Odgers1938_fig07.jpg

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current11:17, 25 January 2016Thumbnail for version as of 11:17, 25 January 2016800 × 738 (195 KB)Z8600021 (talk | contribs)==Plate I== Abbreviations * 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. auriculoventr...