pterygoid process

World English Dictionary
pterygoid process (ˈtɛrɪˌɡɔɪd) [Click for IPA pronunciation guide]
 
n
anatomy either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
 
[C18 pterygoid, from Greek pterugoeidēs, from pterux wing; see -oid]

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American Heritage
Medical Dictionary

pterygoid process n.
A long process of the sphenoid bone extending downward from the junction of its body and great wing.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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00:10
Pterygoid process is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a fool or simpleton; ninny.
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