pterygoid notch pterygoid notch pterygoid notch (incisura pterygoidea) is a notch on the inferior portion of the pterygoid processes of the sphenoid bone, between the medial and lateral plates into which the pyramidal process of the palatine bone is fitted. pterygoid notchidentifiersta2631fma75050anatomical terminology this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.