Pterygoid plate definition
Webpterygoid plate noun : 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 medial pterygoid muscle on its medial surface called also lateral pterygoid plate WebThe pterygoid fossa is an anatomical term for the fossa formed by the divergence of the lateral pterygoid plate and the medial pterygoid plate of the sphenoid bone.. Structure. The lateral and medial pterygoid plates (of …
Pterygoid plate definition
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WebDefinition The medial pterygoid plate is narrower and longer than the lateral; it curves lateralward at its lower extremity into a hook-like process, the pterygoid hamulus, around which the tendon of the Tensor veli palatini glides. WebThe lateral pterygoid plate is broad, thin, and everted; itslateral surface forms part of the medial wall of the infratemporal fossa, and gives attachment to the Pterygoideus …
Webpterygoid plate. Either of a pair of thin, bony processes that arise from the sphenoid bone. They are termed medial and lateral pterygoid plates on each side, serve to bound the … WebDefinition. The medial pterygoid plate is narrower and longer than the lateral; it curves lateralward at its lower extremity into a hook-like process, the pterygoid hamulus, around …
Web: 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 medial pterygoid muscle … WebDefinition. The lateral pterygoid is a short, thick muscle, somewhat conical in form, which extends almost horizontally between the infratemporal fossa and the condyle of the mandible. It arises by two heads; an upper from the lower part of the lateral surface of the great wing of the sphenoid and from the infratemporal crest; a lower from the ...
WebThe ambiguous definition of the infratemporal fossa/masticator space, which was regarded as a T4 criterion in the 7th edition, has been replaced by a specific description of soft tissue involvement in the 8th edition. ... Involvement of the pterygoid structures (including the medial/lateral pterygoid plate, pterygoid body/process ...
Weblat·er·al pter·y·goid plate. [TA] the larger and more lateral of the two bony plates extending downward from the point of union of the body and greater wing of the sphenoid bone on either side; forms medial wall of infratemporal fossa and gives origin to the pterygoid muscles. Synonym (s): lamina lateralis processus pterygoidei ossis ... toufic imam mdWebAug 25, 2013 · The pterygoid muscles are two of the four muscles of mastication, located in the infratemporal foss a of the skull. These muscles are: lateral pterygoid and medial pterygoid. The primary function of the … toufic h kalil house manchester nhWebFeb 29, 2012 · The pterygoid plates of the sphenoid bone articulate with the posterior wall of the maxilla and, together, form the pterygomaxillary fissures (Fig. 1a and b). The zygomatic processes of the maxilla are thick … toufic maatoukWebb. : a muscle that arises from the inner surface of the lateral pterygoid plate and from the palatine and maxillary bones, is inserted into the ramus and the gonial angle, cooperates with the masseter and temporalis in elevating the lower jaw, and controls certain lateral and rotary movements of the jaw. called also internal pterygoid muscle ... toufic mohammed mezherWebDefinition. The pterygoid processes, one on either side, descend perpendicularly from the regions where the body and great wings unite. Each process consists of a medial and a lateral plate, the upper parts of which are fused anteriorly; a vertical sulcus, the pterygopalatine groove, descends on the front of the line of fusion. toufic rennoWebThe medial pterygoid is a thick, quadrilateral muscle. It arises from the medial surface of the lateral pterygoid plate and the grooved surface of the pyramidal process of the palatine bone; it has a second slip of origin from the lateral surfaces of the pyramidal process of the palatine and tuberosity of the maxilla. toufic h kalil houseWebDec 13, 2024 · Pterygoid Process. The pterygoid process descends inferiorly from the point of junction between the sphenoid body and the greater wing. It consists of two parts: Medial pterygoid plate – supports … toufic kalil house