pterion
Americannoun
Etymology
Origin of pterion
1875–80; < New Latin, alteration of Greek pterón wing, on model of inion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A region called the pterion, close to the ears, is the thinnest part of the skull so is most vulnerable to fracture.
From BBC • Nov. 27, 2014
At the intersection of four bones is the pterion, a small, capital-H-shaped suture line region that unites the frontal bone, parietal bone, squamous portion of the temporal bone, and greater wing of the sphenoid bone.
From Textbooks • Jun. 19, 2013
The pterion is located approximately two finger widths above the zygomatic arch and a thumb’s width posterior to the upward portion of the zygomatic bone.
From Textbooks • Jun. 19, 2013
There are two wormian bones on the left side of the skull, one at the pterion and one below the asterion each being 9 m.m. long.
From A New Hochelagan Burying-ground Discovered at Westmount on the Western Spur of Mount Royal, Montreal, July-September, 1898 by Lighthall, W. D. (William Douw)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
