Definition of pterygoid process in English:

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pterygoid process

Pronunciation: /ˈteriˌɡoid ˈpräˌses/ Pronunciation: /ˈpräsəs/


Each of a pair of projections from the sphenoid bone in the skull.
Example sentences
  • The sphenoidal sinus may be absent or small; it may be very large and extend into the basilar process of the occipital bone, the greater or lesser wings of the sphenoid, or the pterygoid processes.
  • The pterygoid processes, one on either side, descend perpendicularly from the regions where the sphenoid body and alisphenoids unite.
  • The left and right pterygoid processes project inferiorly from near the junction of each of the greater wings with the body of the sphenoid.


Early 18th century: from modern Latin pterygoides (plural), from Greek pterux, pterug- 'wing'.

For editors and proofreaders

Syllabification: pter·y·goid proc·ess

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