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单词 nasal pit
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nasal 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 pit

In 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: pit
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更新时间:2025/1/27 13:24:30