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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 greater wings of the sphenoid bone extend laterally to either side away from the sella turcica, where they form the anterior floor of the middle cranial fossa.

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

It is located within the body of the sphenoid bone, just anterior and inferior to the sella turcica, thus making it the most posterior of the paranasal sinuses.

From Textbooks • Jun. 19, 2013

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

From Textbooks • Jun. 19, 2013

Large anatomical prints depend from the walls, and a few vertebræ, a lower jaw, and a sphenoid bone, are scattered upon the table.

From Punch, or the London Charivari, Volume 1, December 18, 1841 by Various

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