nasal muscle n.
A muscle whose transverse part arises from the maxilla on each side and passes across the bridge of the nose, and whose alar part arises from the maxilla and attaches to the ala of the nose, with nerve supply from the facial nerve, and whose action dilates the nostrils.
- Nasal pit
nasal pit n. One of a pair of depressions formed in the developing face and giving rise to the rostral portion of the nasal meatus. Also called olfactory pit.
- Nasal point
nasal point n. See nasion.
- Nasal septum
nasal septum n. The wall dividing the nasal cavity into halves, composed of a central supporting skeleton covered by a mucous membrane.
- Nasal reflex
nasal reflex n. Sneezing caused by irritation of the nasal mucous membrane.