The masseter muscle is a facial muscle that plays a major role in the chewing of solid foods. The muscle is shaped like a parallelogram, connecting to your mandible (lower jawbone) and your cheekbone.

Human anatomy still has a few surprises in store for us: researchers at the University of Basel have discovered a previously overlooked section of our jaw muscles and described this layer in detail ...

Scientists recently uncovered a part of the body that had never been described before: a deep layer of muscle in the masseter, which raises the lower jaw and is critical for chewing. Modern anatomy ...

The newly discovered muscle layer runs from the back of the cheekbone to the anterior muscular process of the lower jaw. (S= superficial layer, D= deep layer, C= coronoid layer) Jens. C. Türp, ...

Masseter Botox is a nonsurgical procedure that involves an injection to the edge of your jaw, or masseter. This large, rectangle-shaped muscle is responsible for chewing (mastication), biting, and ...

Masseter Botox is injected into the masseter muscles, which move the jaw. Botox can treat teeth grinding and relieve the pain of temporomandibular joint disorder and headaches. These injections also ...