Medial pterygoid muscle
(Redirected from Musculus pterygoideus medialis)
| Medial Pterygoid Muscle | |
|---|---|
| Script error: No such module "InfoboxImage". Medial Pterygoid Muscle (shown in red) | |
| Script error: No such module "InfoboxImage". | |
| Details | |
| System | Muscular system |
| Origin | Medial surface of the lateral pterygoid plate, pyramidal process of the palatine bone, and maxillary tuberosity |
| Insertion | Mandible |
| Nerve | Mandibular nerve |
| Actions | Elevates and protrudes mandible, and moves it side to side |
| Identifiers | |
| Latin | Musculus pterygoideus medialis |
| TA98 | Lua error in Module:Wikidata at line 746: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] | |
The Medial Pterygoid Muscle is one of the muscles of mastication. It is a thick, quadrilateral muscle that is similar in structure and function to the masseter muscle.
Origin and Insertion[edit | edit source]
The Medial Pterygoid Muscle originates from the medial surface of the lateral pterygoid plate, the pyramidal process of the palatine bone, and the maxillary tuberosity. It inserts into the medial surface of the angle and lower half of the ramus of the mandible.
Function[edit | edit source]
The Medial Pterygoid Muscle works in conjunction with the lateral pterygoid muscle to allow the jaw to open and close, and to move side to side. It also helps to elevate and protrude the mandible.
Clinical Significance[edit | edit source]
Dysfunction of the Medial Pterygoid Muscle can lead to temporomandibular joint disorder, a condition that can cause pain and difficulty in moving the jaw.
See Also[edit | edit source]
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