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Temporalis

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Q: What is the muscle that closes and retracts the mandible?
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What is the action of the temporalis muscle?

closes jaw, elevates and retracts the mandible


The acts synergistically with the masseter to elevate the mandible?

The masseter IS the functional muscle which closes the mandible (jaw).


The temporalis acts to do what?

It elevates and retracts mandible; involved in excursion.


Number of origins of the temporalis muscle?

THE ORIGIN OF THE TEMPORALIS MUSCLE IS TEMPORAL FOSSA Insertion: Coronid process of the mandible Function/Action: Closes Jaw


What originates on the zygomatic arch and inserts on the angle of the mandible?

The masseter is the main muscle that shuts or closes the jaw.


What muscle is lateral to the ramus of the mandible?

The masseter muscle is lateral to the ramus of the mandible.


What is the chewing muscle covering the angle of the mandible?

The masseter muscle is the chewing muscle covering the angle of the mandible. During bilateral contraction, the muscle elevates the mandible, raising the lower jaw.


What is the bone that is known as your jaw bone?

A person has two jaw bones. One upper jaw bone called the maxilla and the lower bone called the mandible. The maxilla doesn't move but the mandible does. The muscle (masseter) that closes the two is one of the strongest muscles in the human body.


What muscle retracts the tongue?

styloglossus: retracts the tongue, elevates side


What muscle opens and closes your jaw?

Gravity plays a large part in opening the jaw, but there are muscles that help forcefully open your jaw. The most important of these is the digastric muscle, which connects from the mastoid process of the temporal bone to the hyoid bone, and then from the hyoid bone to the digastric fossa of the mandible.


What muscle elevates the mandible in the human and cat?

the masseter muscle


What inserts on the coronoid process of the mandible?

The insertion of the temporalis muscle is on the coronoid process of the mandible.