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All muscles of mastication are innervated by motor fibers of the mandibular branch of the trigeminal nerve (CN V3), while the main arterial supply is derived from branches of the maxillary artery. This article will introduce you to the anatomy and function of the muscles of mastication.
The muscles of mastication are a group of muscles associated with movements of the jaw. There are four muscles - the masseter, temporalis, medial pterygoid and lateral pterygoid.
The muscles of mastication originate on the skull and insert into the mandible, thereby allowing for jaw movements during contraction. Each of these primary muscles of mastication is paired, with each side of the mandible possessing one of the four.
The primary muscles of mastication (chewing food) are the temporalis, medial pterygoid, lateral pterygoid, and masseter muscles. The four main muscles of mastication attach to the rami of the mandible and function to move the jaw (mandible).
The muscles of mastication are a group of muscles responsible for the chewing movement of the mandible at the temporomandibular (TMJ) joint, they enhance the process of eating, they assist in grinding food, and also function to approximate the teeth. The four main muscles of mastication originate from the surface of the skull and they attach ...
Primary muscles of mastication: The most recognized group is composed of four muscles that function in pairs and are primarily responsible for TMJ function and mandibular movement. These include the masseter and temporalis muscles, which are responsible for closing the mandible; the medial pterygoid muscle, which is responsible for closing and ...
There are four muscles that comprise the muscles of mastication, including masseter, temporalis, lateral pterygoid and medial pterygoid.¹ This article will explore the origin , insertion , action , innervation and blood supply of the masticatory muscles.
The four main muscles of mastication are the temporalis, masseter, medial pterygoid, and lateral pterygoid muscles. Each muscle has distinct anatomical features and functions, contributing to various movements of the mandible (lower jaw).
The masseter muscles are powerful muscles that are located in the cheek area. There is one on either side of the face, so the two muscles are called the left and right masseter muscles. The function of the masseter muscles is to raise the lower jaw by elevating the mandible during chewing.
The classification of the muscles of mastication refers to four main muscles including the masseter, temporalis, medial pterygoid, and lateral pterygoid. The actions of the muscles of mastication open and close the mouth by influencing motion on the mandible.