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  2. 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).

  3. Coracoid process - Wikipedia

    en.wikipedia.org/wiki/Coracoid_process

    The coracoid process acts as an attachment and origin for a large number of muscles (attached muscles not labeled here). The coracoid process is a thick curved process attached by a broad base to the upper part of the neck of the scapula; [2] it runs at first upward and medially; then, becoming smaller, it changes its direction, and projects forward and laterally.

  4. Mylohyoid line - Wikipedia

    en.wikipedia.org/wiki/Mylohyoid_line

    The mylohyoid muscle originates from the anterior (front) part of the mylohyoid line. [1] Rarely, the mylohyoid muscle may originate partially from other surfaces of the mandible. [ 2 ] The posterior (back) part of this line, near the alveolar margin , gives attachment to a small part of the superior pharyngeal constrictor muscle , and to the ...

  5. Coronoid process of the mandible - Wikipedia

    en.wikipedia.org/wiki/Coronoid_process_of_the...

    Fractures of the mandible are common. However, coronoid process fractures are very rare. [1] Isolated fractures of the coronoid process caused by direct trauma are rare, as it is anatomically protected by the complex zygomatic arch/ temporo-zygomatic bone and their associated muscles.

  6. Lateral pterygoid muscle - Wikipedia

    en.wikipedia.org/wiki/Lateral_pterygoid_muscle

    A concerted effort of the lateral pterygoid muscles helps in lowering the mandible and opening the jaw. Unilateral action of a lateral pterygoid muscle causes contralateral excursion (a form of mastication), usually performed in concert with the medial pterygoids. [citation needed] When they work independently, they can move the mandible side ...

  7. Sphenomandibularis - Wikipedia

    en.wikipedia.org/wiki/Sphenomandibularis

    The sphenomandibularis is a muscle attaching to the sphenoid bone and the mandible. [1] [2] It is a muscle of mastication. [3]Unlike most of the muscles of the human body, which had been categorized several centuries ago, the sphenomandibularis was discovered in the mid-1990s at the University of Maryland at Baltimore.

  8. Temporalis muscle - Wikipedia

    en.wikipedia.org/wiki/Temporalis_muscle

    In anatomy, the temporalis muscle, also known as the temporal muscle, is one of the muscles of mastication (chewing). It is a broad, fan-shaped convergent muscle on each side of the head that fills the temporal fossa, superior to the zygomatic arch so it covers much of the temporal bone. [1] Temporal refers to the head's temples.

  9. 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