
1) Craniometric point
Found on
https://www.crosswordclues.com/clue/pterion

A craniometric point in the region of the sphenoid fontanelle, at the junction of the greater wing of the sphenoid, the squamous temporal, the frontal, and the parietal bones; it intersects the course of the anterior division of the middle meningeal artery. ... Origin: G. Pteron, wing ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: tē′rē-on Definitions: 1. A craniometric point in the region of the sphenoid fontanelle, at the junction of the greater wing of the sphenoid, the squamous temporal, the frontal, and the parietal bones; it intersects the course of the anterior division of the middle meningeal artery.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=73799

The pterion is the segment of suture which connects each greater wing of the sphenoid bone to the lower edge of the parietal bone on the side of the skull at the temple.
Found on
http://www.probertencyclopaedia.com/browse/EP.HTM

[
n] - the craniometric point in the region of the sphenoid fontanelle
Found on
http://www.webdictionary.co.uk/definition.php?query=pterion
noun the craniometric point in the region of the sphenoid fontanelle
Found on
https://www.encyclo.co.uk/local/20974

Greek pteron = wing; hence, the region where the tip of the greater wing of the sphenoid meets or is close to the parietal, separating the frontal from the squamous temporal; alternatively the region where these 4 bones meet.
Found on
https://www.encyclo.co.uk/local/21450

the craniometric point at the side of the sphenoidal fontanelle.
Found on
https://www.infoplease.com/dictionary/pterion
No exact match found.