- a point at the external occipital protuberance of the skull.
Origin of inion
1805–15; < New Latin < Greek īníon nape of the neck, equivalent to īn- (stem of ī́s) fiber, sinew + -ion diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- anatomy the most prominent point at the back of the head, used as a point of measurement in craniometry
C19: from Greek: back of the head
- The most prominent projecting point of the occipital bone at the base of the skull.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.