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pterygoid process of sphenoid bone

 

Definition: a long process extending downward from the junction of the body and greater wing of the sphenoid bone on either side; it is formed of two plates (lateral and medial), united anteriorly but separated below to form the pterygoid notch; the pterygoid fossa is formed by the divergence of these two plates posteriorly.

Synonym(s): processus pterygoideus ossis sphenoidalisTA, os pterygoideum

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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