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DictionarySeepitnasal pit
nasal pit[′nā·zəl ‚pit] (embryology) olfactory pit nasal 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.nasal pitIn the embryo, one of two horseshoe-shaped depressions on the ventrolateral surface of the head bounded by lateral and median nasal processes. It gives rise to nostrils and a portion of the nasal fossa. Synonym: olfactory pitSee also: pitLegalSeePit |