nasal notch


na·sal notch

[TA] the notch in the medial border of the maxilla anteriorly that, with its fellow, forms most of the piriform opening of the nasal cavity. Synonym(s): incisura nasalis [TA]

nasal notch

1. A deep notch on the anterior surface of the maxilla, forming the lateral border of the piriform aperture.2. A notch between the internal angular processes of the frontal bone.See also: notch