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. 2016 May 7;20:1389–1401. doi: 10.1007/s00784-016-1828-x

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© The Author(s) 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3 — Photomicrograph of cross sections through the midcartilaginous portion of the Eustachian tube: a control case (6-week old female) and b cleft palate case (7-week old male). The photomicrographs show differences in curvature of the lumen and cross-sectional area of the Eustachian tube development of the cartilage between the normal child and the child with a cleft palate (hematoxylin-eosin stain). ETC Eustachian tube cartilage, L Eustachian tube lumen, LL lateral lamina of Eustachian tube cartilage, ML medial lamina, TVPM tensor veli palatini muscle. (Reproduced with permission from Matsune. [19])