(Science: anatomy) Like a bird's wing in form; as, a pterygoid bone.

Of, pertaining to, or in the region of, the pterygoid bones, pterygoid processes, or the whole sphenoid bone.

A pterygoid bone.

(Science: anatomy) Pterygoid bone, a process projecting downward from either side of the sphenoid bone, in man divided into two plates, an inner and an outer. The posterior nares pass through the space, called the pterygoid fossa, between the processes.

Origin: Gr, a wing.

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