Superficial part of masseter
Muscles · Latin: Pars superficialis masseteris
SUPERFICIAL PART OF MASSETER MUSCLE
In human anatomy, the masseter is one of the muscles of mastication.
Found only in mammals, it is particularly powerful in herbivores to facilitate chewing of plant matter.
The most obvious muscle of mastication is the masseter muscle, since it is the most superficial and one of the strongest.
Definition from Wikipedia, CC BY-SA 4.0.