Nasal pit

Nasal pit
Head end of human embryo, about the end of the fourth week.
Details
Identifiers
Latin	fovea nasalis
Code	TE E5.3.0.0.0.0.9
Anatomical terminology []

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

Head end of human embryo of about thirty to thirty-one days.

Same embryo as shown in Fig. 45, with front wall of pharynx removed.

The roof of the mouth of a human embryo, aged about two and a half months, showing the mode of formation of the palate.

The head and neck of a human embryo thirty-two days old, seen from the ventral surface.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)