pterygoid bone
{{Short description|A paired bone forming part of the palate of many vertebrates}}
File:Champsosaurus skull diagram.svg, showing the pterygoid bone in red-violet (visible in inferior view at lower right and posterior to the ectopterygoid bone in lateral view at top)]]
The pterygoid is a paired bone forming part of the palate of many vertebrates, behind the palatine bones.{{Cite web |title=Origin of the pterygoid bone and pharyngeal musculature in mammals |url=https://crompton.oeb.harvard.edu/pterygoid-pharynx-in-mammals |access-date=2024-01-29 |website=crompton.oeb.harvard.edu |language=en}}
It is a flat and thin lamina, united to the medial side of the pterygoid process of the sphenoid bone, and to the perpendicular lamina of the palatine bone.{{Cite web |title=Pterygoid bone - vet-Anatomy - IMAIOS |url=https://www.imaios.com/en/vet-anatomy/anatomical-structure/pterygoid-bone-11073769964 |access-date=2024-01-29 |website=www.imaios.com |language=en}}