File:Dickie1914 fig06.jpg
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Fig. 6. Model of the upper air passages
Nasal cavities form top of the model. At the side is a groove corresponding with palatal process. Further down middle ear recess is seen, and beyond that the cavity narrows into the oesophagus.
i, Palatal process
ii, sulcus tubo-tympanicus
iii, eminentia cochlearis
iv, second visceral pouch
The buccopharyngeal cavity (fig. 6) is widest at the angle of the mouth. From this point backwards it narrows rapidly to the level of the middle ear recess, where it again widens, and behind which it tapers away gradually into the (esophagus, the lumen of which is uniformly narrow. The cavity as a whole is curved on itself, with a ventral concavity, to the extent of about half a circle.
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Reference
Dickie JK. The anatomy of the head end of a 20 mm human embryo. (1914) J Anat Physiol., 48(4): 445-60. PMID 17233010
Cite this page: Hill, M.A. (2024, May 9) Embryology Dickie1914 fig06.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Dickie1914_fig06.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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