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.

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
References in periodicals archive ?
The rod and the right hand complex was removed once the two points of the opening of the VNO and the anterior nasal spine were determined and held marked on the rod.
The less common forms were type III (rhombus - no skulls with this format), type II (inverted heart below the level of the anterior nasal spine - 1.6 %), and type IV (heart inverted at the level of the anterior nasal spine 3.1 %) (Table III).
The latter condition may be associated with anatomical conditions where the anterior nasal spine appears posterior, causing the nasal tip to descend and altering the normal morphology of the nose.
anterior nasal spine seen on the x-ray from between Sella and Nasion
Anterior nasal spine: The tip of the anterior nasal spine.

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