GENERAL ANATOMY
MUSCLE ANATOMY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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risorius and corrugator
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temporalis and masseter
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procerus and latissimus dorsi
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auricularis latissimus dorsi
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Detailed explanation-1: -The primary muscles include: Masseter. Temporalis. Lateral pterygoid.
Detailed explanation-2: -The mandibular nerve is the only branch of the trigeminal nerve with a motor component (V3). This branch supplies motor innervation to the facial muscles involved in mastication, which include the masseter, temporalis muscle, and lateral and medial pterygoids.
Detailed explanation-3: -The masseter lifts the lower jaw to close the mouth and it is the strongest muscle in your body. The temporalis helps close the mouth.
Detailed explanation-4: -The function of the masseter muscle is to elevate the mandible and approximate the teeth-additionally, the intermediate and deep muscle fibers of the masseter function to retract the mandible. And the superficial fibers function to protrude the mandible.
Detailed explanation-5: -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.