pterygoid process


Definition of pterygoid process

: a process extending downward from each side of the sphenoid bone in humans and other mammals

First Known Use of pterygoid process

1698, in the meaning defined above

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The first known use of pterygoid process was in 1698

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Cite this Entry

“Pterygoid process.” Dictionary, Merriam-Webster, Accessed 11 May. 2021.

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pterygoid process


Medical Definition of pterygoid process

: a process that extends downward from each side of the sphenoid bone near the union of its body and a greater wing, that consists of the medial and lateral pterygoid plates which are fused above anteriorly and separated below by the pterygoid fissure whose edges articulate with a process of the palatine bone, and that contains on its posterior aspect the pterygoid and scaphoid fossae which give attachment to muscles

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