pterygoid bone

noun

Definition of pterygoid bone

: a horizontally placed often more or less rodlike bone or group of bones of the upper jaw or roof of the mouth in most lower vertebrates connecting the palatine in front and the quadrate behind and forming part of the palatoquadrate arch

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Cite this Entry

“Pterygoid bone.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/pterygoid%20bone. Accessed 11 December 2019.

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