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  2. Lateral pterygoid muscle - Wikipedia

    en.wikipedia.org/wiki/Lateral_pterygoid_muscle

    The lateral pterygoid muscle (or external pterygoid muscle) is a muscle of mastication. It has two heads. It lies superior to the medial pterygoid muscle. It is supplied by pterygoid branches of the maxillary artery, and the lateral pterygoid nerve (from the mandibular nerve, CN V 3). It depresses and protrudes the mandible. When each muscle ...

  3. Pterygoid processes of the sphenoid - Wikipedia

    en.wikipedia.org/wiki/Pterygoid_processes_of_the...

    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.

  4. Muscles of mastication - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_mastication

    The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid, mylohyoid, and digastric muscles (the lateral pterygoid may play a role).

  5. Masticatory force - Wikipedia

    en.wikipedia.org/wiki/Masticatory_force

    Muscles of the head, face, and neck. The muscles that power the jaw movements during chewing are known as the muscles of mastication or masticatory muscles, and are functionally classified as: [1] Jaw elevators: the masseter, temporalis, medial pterygoid and superior belly of the lateral pterygoid

  6. Pterygomandibular space - Wikipedia

    en.wikipedia.org/wiki/Pterygomandibular_space

    the lateral pterygoid muscle superiorly; the inferior border of the mandible (lingual surface) inferiorly; the medial pterygoid muscle medially (the space is superficial to medial pterygoid) the ascending ramus of the mandible laterally (the space is deep to the ramus of the mandible)

  7. Sphenomandibular ligament - Wikipedia

    en.wikipedia.org/wiki/Sphenomandibular_ligament

    The lateral pterygoid muscle, auriculotemporal nerve, and the maxillary artery and maxillary vein are situated laterally to the SML (the vessels and nerve coursing betwixt the SML, and the neck of the mandibular condyle [1] [3]). [1] The chorda tympani nerve is situated medially to the SML [1] near its upper end. [citation needed]

  8. Temporomandibular joint dysfunction - Wikipedia

    en.wikipedia.org/wiki/Temporomandibular_joint...

    Lateral movements – Medial and lateral pterygoid (the ipsilateral temporalis and the pterygoid muscles of the contralateral side pull the mandible to the ipsilateral side). [36] Each lateral pterygoid muscle is composed of 2 heads, the upper or superior head and the lower or inferior head.

  9. Auriculotemporal nerve - Wikipedia

    en.wikipedia.org/wiki/Auriculotemporal_nerve

    The nerve passes deep to the neck of the mandible [1] - between it and the sphenomandibular ligament [2]: 364 - andthen courses deep to the lateral pterygoid muscle. [1] It issues parotid branches and then turns superiorly, posterior to its head and moving anteriorly, gives off anterior branches to the auricle.