pterygoid

n. தாடை முனை எலும்புகளுள் ஒன்று, (பெ.) சிறகு போன்ற, தண்டெலும்புடைய உயிரினங்களில் வல்லண்ண எலும்புகளுக்குப் பின்னால் மேல்தாடையிலுள்ள இரட்டையான முளையெலும்புகள் சார்ந்த.

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Pter"y*goid, a. Etym: [Gr. -oid.] (Anat.) (a) Like a bird's wing in form; as, a pterygoid bone. (b) Of, pertaining to, or in the region of, the pterygoid bones, pterygoid processes, or the whole sphenoid bone. -- n. Defn: A pterygoid bone. Pterygoid bone (Anat.), a bone which corresponds to the inner plate of the pterygoid process of the human skull, but which, in all vertebrates below mammals, is not connected with the posterior nares, but serves to connect the palatine bones with the point of suspension of the lower jaw. -- Pterygoid process (Anat.), 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.

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