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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

Example Sentences

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The eight cranial bones are the frontal bone, two parietal bones, two temporal bones, occipital bone, sphenoid bone, and the ethmoid bone.

From Textbooks • Jun. 9, 2022

The pituitary gland is cradled within the sellaturcica of the sphenoid bone of the skull.

From Textbooks • Jun. 19, 2013

The lesser wings of the sphenoid bone form the prominent ledge that marks the boundary between the anterior and middle cranial fossae.

From Textbooks • Jun. 19, 2013

The pituitary, seated in the sella turcica of the sphenoid bone, is directly inferior to the optic chiasm.

From Textbooks • Jun. 19, 2013

Schindylesis, skin-di-lē′sis, n. an articulation formed by the fitting of one bone into a groove in another, as in the sphenoid bone and vomer.—adj.

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