File:Pharyngeal pouches.jpg

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Pharyngeal Pouches

This is a historic figure from Gray's Anatomy Fig. 1175.

Note in contrast to this historic image, current research has shown that the human thymic epithelium derives solely from the third pharyngeal pouch (as in the mouse). [1]

Links: Gray 1175 | thymus Head Development | Endocrine System Development


  1. Farley AM, Morris LX, Vroegindeweij E, Depreter ML, Vaidya H, Stenhouse FH, Tomlinson SR, Anderson RA, Cupedo T, Cornelissen JJ & Blackburn CC. (2013). Dynamics of thymus organogenesis and colonization in early human development. Development , 140, 2015-26. PMID: 23571219 DOI.

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Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan

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