File:Bast1933 fig33-34.jpg

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Figs. 33 and 34. Human Fetus CRL 50 mm

Fig. 33. Fetus 86; size, 50 mm. crown-rump length; age, about 10 weeks. Anterior view of a model of the otic labyrinth showing the development of the periotic tissue and spaces and the fissula ante fenestram.

Fig. 34. Posterior View of the same model shown in figure 33.

In figures 33 and 34, vesti. indicates vestibule; f.a.f., fissula ante fenestram; S c. 'vesti., scala vestibuli; Sc. tym., scala tympani; imp. Sta.p., impression of stapes; Sac. end., endolyrnphatic duct; Sm:., sacculus; Ut1'z'c., utriculus; Duct. coch-., cochlear duct.


Bast TH. Development of the otic capsule II. The origin, development and significance of the fissula ante fenestram and its relation to otosclerotic foci. (1933) Arch. Otolaryng. 18(1):

Cite this page: Hill, M.A. (2024, February 23) Embryology Bast1933 fig33-34.jpg. Retrieved from

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current17:00, 22 October 2017Thumbnail for version as of 17:00, 22 October 20171,000 × 1,353 (145 KB)Z8600021 (talk | contribs)
17:00, 22 October 2017Thumbnail for version as of 17:00, 22 October 20171,319 × 1,935 (271 KB)Z8600021 (talk | contribs)===Reference=== {{Ref-Bast1933}}

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