https://wikimd.org/index.php?action=history&feed=atom&title=Pterygoid_processes_of_the_sphenoid 2026-04-27T12:27:55Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Pterygoid_processes_of_the_sphenoid&diff=5801402&oldid=prev 2024-05-19T20:57:58Z

<p>CSV import</p> <p><b>New page</b></p><div>[[file:Gray145.png|thumb|left]] [[file:Gray146.png|thumb|left]] [[file:Gray192.png|thumb|right]] {{Short description|Paired processes of the sphenoid bone in the skull}}<br /> {{Infobox bone<br /> | Name = Pterygoid processes of the sphenoid<br /> | Latin = Processus pterygoidei ossis sphenoidalis<br /> | Image = Gray145.png<br /> | Caption = Sphenoid bone. Upper and posterior surfaces. (Pterygoid process labeled at bottom left.)<br /> | Precursor = [[Pharyngeal arch]] 1<br /> | System = [[Skeletal system]]<br /> | Partof = [[Sphenoid bone]]<br /> | Articulations = [[Palatine bone]], [[Vomer]]<br /> }}<br /> <br /> The &#039;&#039;&#039;pterygoid processes of the sphenoid&#039;&#039;&#039; are paired projections that extend from the inferior aspect of the [[sphenoid bone]] in the human skull. These processes are important anatomical landmarks and serve as points of attachment for various muscles and ligaments associated with the [[jaw]] and [[pharynx]].<br /> <br /> ==Anatomy==<br /> The pterygoid processes consist of two plates: the [[medial pterygoid plate]] and the [[lateral pterygoid plate]]. These plates are separated by the [[pterygoid fossa]], which houses the [[medial pterygoid muscle]].<br /> <br /> ===Medial Pterygoid Plate===<br /> The medial pterygoid plate is a thin, elongated structure that extends downward from the sphenoid bone. It forms part of the lateral wall of the [[nasal cavity]] and provides attachment for the [[tensor veli palatini muscle]] and the [[superior pharyngeal constrictor muscle]].<br /> <br /> ===Lateral Pterygoid Plate===<br /> The lateral pterygoid plate is broader and more robust than the medial plate. It serves as the origin for the [[lateral pterygoid muscle]] and the [[medial pterygoid muscle]], both of which are involved in the movements of the [[mandible]].<br /> <br /> ==Function==<br /> The pterygoid processes play a crucial role in the function of the [[temporomandibular joint]] (TMJ) by providing attachment points for muscles that facilitate the movement of the jaw. These processes also contribute to the structural integrity of the [[skull]] and the [[nasal cavity]].<br /> <br /> ==Clinical Significance==<br /> Injuries or abnormalities involving the pterygoid processes can affect the function of the jaw and the [[pharynx]]. Conditions such as [[pterygoid hamulus syndrome]] and [[temporomandibular joint disorder]] (TMD) may involve the pterygoid processes.<br /> <br /> ==Additional Images==<br /> &lt;gallery&gt;<br /> File:Gray145.png|Sphenoid bone. Upper and posterior surfaces. (Pterygoid process labeled at bottom left.)<br /> &lt;/gallery&gt;<br /> <br /> ==See Also==<br /> * [[Sphenoid bone]]<br /> * [[Medial pterygoid muscle]]<br /> * [[Lateral pterygoid muscle]]<br /> * [[Temporomandibular joint]]<br /> <br /> ==References==<br /> {{Reflist}}<br /> <br /> [[Category:Skeletal system]]<br /> [[Category:Head and neck]]<br /> [[Category:Anatomy]]<br /> <br /> {{medicine-stub}}</div>

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