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Showing results for sphenoid bone. Search instead for Sphenoid+Sinus.

sphenoid bone

British  

noun

  1. the large butterfly-shaped compound bone at the base of the skull, containing a protective depression for the pituitary gland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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On the inferior aspect of the skull, each half of the sphenoid bone forms two thin, vertically oriented bony plates.

From Textbooks ● Jun. 19, 2013

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 anterior cranial fossa is located between the frontal bone and lesser wing of the sphenoid bone.

From Textbooks ● Jun. 19, 2013

The middle cranial fossa is divided at the midline by the upward bony prominence of the sella turcica, a part of the sphenoid bone.

From Textbooks ● Jun. 19, 2013

Sphēnot′ic, pertaining to the sphenoid bone and the otic capsule; Sphē′no-tur′binal, sphenoidal and turbinated or whorled.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

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