nasion

Definition

The point at the root of the nose where the frontal and two nasal bones meet. (It is a cephalometric landmark.)

Etymology

From nas(o)- + -ion.

Example Sentences

• "Additional skull measurements, taken with small sliding calipers, were from zygomaxillare, the lowest point on the zygomatic-maxillary suture, to the points of alveolare, basion and nasion."