lens pit


pit

 [pit] 1. a hollow fovea or indentation.2. a pockmark.3. to indent, or to become and remain for a few minutes indented, by pressure.anal pit proctodeum.auditory pit a distinct depression in each auditory placode, marking the beginning of the embryonic development of the internal ear.lens pit a pitlike depression in the fetal head where the lens develops.nasal pit (olfactory pit) a depression appearing in the olfactory placodes in the early stages of development of the nose.pit of stomach the epigastric fossa or epigastric region.

lens pit

The depression on the skin of the embryonic head where the lens of the eye will develop.See also: pit