Pterygoid process

Pterygoid process
Pterygoid Pter"y*goid, a. [Gr. ?, ?, a wing + -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. A pterygoid bone. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • pterygoid process — n a process that extends downward from each side of the sphenoid bone near the union of its body and a greater wing, that consists of the medial and lateral pterygoid plates which are fused above anteriorly and separated below by the pterygoid… …   Medical dictionary

  • pterygoid process — /ˈtɛrəgɔɪd ˌproʊsɛs/ (say teruhgoyd .prohses) noun 1. either of two processes descending, one on each side, from the point where the body of the sphenoid bone joins a bone of a temporal wing within the skull, each process consisting of two plates …   Australian-English dictionary

  • pterygoid process — noun Date: 1741 a process extending downward from each side of the sphenoid bone in humans and other mammals …   New Collegiate Dictionary

  • pterygoid process — [ tɛrɪgɔɪd] noun Anatomy each of a pair of projections from the sphenoid bone in the skull. Origin C18: from mod. L. pterygoides, from Gk pterux, pterug wing …   English new terms dictionary

  • pterygoid process — either of two large processes of the sphenoid bone …   The new mediacal dictionary

  • pterygoid process — adj. each of a pair of processes from the sphenoid bone in the skull. Etymology: Gk pterux ugos wing …   Useful english dictionary

  • pterygoid plate — n either of two vertical plates making up a pterygoid process of the sphenoid bone: a) a broad thin plate that forms the lateral part of the pterygoid process and gives attachment to the lateral pterygoid muscle on its lateral surface and to the… …   Medical dictionary

  • Pterygoid — Pter y*goid, a. [Gr. ?, ?, a wing + 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. A pterygoid bone. [1913… …   The Collaborative International Dictionary of English

  • Pterygoid bone — Pterygoid Pter y*goid, a. [Gr. ?, ?, a wing + 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. A pterygoid… …   The Collaborative International Dictionary of English

  • pterygoid fissure — n the angular cleft separating the medial and lateral pterygoid plates of each pterygoid process called also pterygoid notch * * * incisura pterygoidea …   Medical dictionary

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