anterior nasal spine


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anterior nasal spine of maxilla

[TA]
a pointed projection at the anterior extremity of the intermaxillary suture; the tip, as seen on a lateral cephalometric radiograph, is used as a cephalometric landmark.

anterior nasal spine

the sharp anterosuperior projection at the anterior extremity of the line of union of the two maxillae.

an·te·ri·or na·sal spine

(an-tēr'ē-ŏr nā'zăl spīn)
A pointed projection at the anterior extremity of the intermaxillary suture; the tip, as seen on a lateral radiograph, is used as a cephalometric landmark.

anterior nasal spine

The projection formed by the anterior prolongation of the inferior border of the nasal notch of the maxilla.
See also: spine
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