anterior nasal spine


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. Synonym(s): spina nasalis anterior corporis maxillae [TA], anterior nasal spine

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