Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Lower two thirds of medial pterygoid plate, pterygomandibular raphe and posterior end of mylohyoid line on mandible
INSERTION: Upper midline pharyngeal raphe and pharyngeal tubercle of clivus of occiput
ACTION: Assists swallowing
NERVE: Pharyngeal plexus (IX, X and sympathetic) via pharyngeal branch of X with its motor fibers from cranial accessory (XI)

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