Anatomy of the masseter and temporalis muscles

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Anatomical illustration of the masseter and temporalis muscles on a human skull showing the primary chewing muscles involved in temporomandibular joint (TMJ) function.

Side-view anatomical illustration of a human head with the skin removed to reveal the temporalis muscle covering the side of the skull and the masseter muscle along the jaw. These muscles play a major role in chewing and jaw stability and are often involved in temporomandibular joint (TMJ) disorders.