Pterion

Pronunciation

• UK IPA: /ˈtɛɹɪən/

Origin

From French ptérion, from ptère ("wing of the sphenoid bone"), from Ancient Greek πτερόν (pteron, "wing").

Full definition of pterion

Noun

1. (anatomy) The point corresponding with the posterior end of the sphenoparietal suture; known as the weakest part of the skull.
• 1969, Vladimir Nabokov, Ada or Ardor, Penguin 2011, p. 349:Then standing before a closet mirror, he put the automatic to his head, at the point of the pterion, and pressed the comfortably concaved trigger.

Derived terms

• epipteric

Anagrams

• interop, pointer, protein, repoint, tropein, tropine