Masseter muscle
Musculus masseter
Definition
Origin: Ventral border of the rostral half of the zygomatic arch.
Insertion: Ventrolateral surface of the mandible and ventral margin of the masseteric fossa of the mandible.
Action: Raises the mandible in closing the mouth.
Nerve: Trigeminus.
References
Text by Antoine Micheau, MD - Copyright IMAIOS