nasion: Meaning and Definition of

na•si•on

Pronunciation: (nā'zē-on"), [key]
— n. Craniom.
  1. the intersection of the internasal suture with the nasofrontal suture in the midsagittal plane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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