Olfactory pit

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Olfactory pit
Head end of human embryo, about the end of the fourth week.
Gray's subject #13 68
Dorlands/Elsevier p_21/12642855

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

By the upgrowth of the surrounding parts the olfactory areas are converted into pits, the olfactory pits, which indent the fronto-nasal process and divide it into a medial and two lateral nasal processes.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.