File:Frazer1914 fig06.jpg

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Fig. 6. From model of left middle ear region in 50 mm specimen

Somewhat simplified. Lower figure shows superficial view of recess seen from above and behind. Note position of 2nd pouch and its relation to the concavity, visible on the roof, which lodges the auditory capsule. The upper figure shows the cochlear portion of capsule cut away from the rest and turned round to exhibit the fossula rotunda. which lies over the pouch. Above this the facial nerve and stapes are seen cut, their other parts remaining on the other portion of the model. The thickness of the walls, of course, makes the pouch appear more prominent than it would be if the region were exposed as in the previous figures.

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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)
Links: Fig 1 | Fig 2 | Fig 3 | Fig 4 | Fig 5 | Fig 6 | 1914 Frazer | Pharyngeal arches | Historic Embryology Papers

Reference

Frazer JE. The second visceral arch and groove in the tubo-tympanic region. (1914) J Anat Physiol. 48(4): 391-408. PMID 17233005


Cite this page: Hill, M.A. (2024, February 21) Embryology Frazer1914 fig06.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Frazer1914_fig06.jpg

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