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sphenoid bone

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
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Examples from the Web for sphenoid bone
Historical Examples
  • The pituitary body itself is lodged in a cavity of the sphenoid bone called the pituitary fossa.

    The Mystery of Space Robert T. Browne
  • The sphenoid bone is in front of the occipital, forming a part of the base of the skull.

    A Practical Physiology Albert F. Blaisdell
sphenoid bone in Medicine

sphenoid bone n.
A compound bone with winglike processes, situated 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.
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