Lateral pterygoid plate
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Lateral pterygoid plate | |
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Medial wall of left orbit. (Lateral pterygoid plate labeled at bottom right.)
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Sphenoid bone, anterior and inferior surfaces. (Lateral pterygoid plate visible at bottom left.)
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Details | |
Latin | lamina lateralis processus pterygoidei |
Identifiers | |
Dorlands /Elsevier |
l_02/12476264 |
TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of bone
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The lateral pterygoid plate of the sphenoid (or lateral lamina of pterygoid process) is broad, thin, and everted and forms the lateral part of a horseshoe like process that extends from the inferior aspect of the sphenoid bone, and serves as the origin of the lateral pterygoid muscle, which functions in allowing the mandible to move in a lateral and medial direction, or from side-to-side.
Its lateral surface forms part of the medial wall of the infratemporal fossa, and gives attachment to the lateral pterygoid muscle; its medial surface forms part of the pterygoid fossa, and gives attachment to the medial pterygoid muscle. Posterior edge is sharp, and often has sharp projection - pterygospinous process (Civinini process).
Additional images
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Gray187.png
Base of skull. Inferior surface.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Anatomy diagram: 34257.000-1 at Roche Lexicon - illustrated navigator, Elsevier
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