Which of these muscles is formed from two divisions?
The masseter muscle is one of the muscles of mastication. It is a powerful superficial quadrangular muscle with two divisions: superficial and deep.
What are the three types of muscles quizlet?
The three types of muscle tissue are skeletal, cardiac, and smooth. Skeletal muscle is attached to bones, has cylindrical cells, is striated, multinucleate, and voluntary control. Cardiac is the heart, branched cells, striated, uni or dinucleate, and involuntary.
What are muscles named for their actions or functions?
Muscles named for their actions (functions) The function of a muscle is frequently a part of its name. The adductor muscles of the thigh adduct, or move, the leg toward the midline of the body. The abductor muscles of the thigh abduct, or move, the leg away from the midline of the body.
How are muscles named based on their fibers?
Muscles named for fiber direction Muscles may be named according to the orientation of their fibers. The term rectus means straight. Therefore the fibers of the rectus abdominis muscle run straight up and down and are parallel to each other.
What are the different types of muscle tissue?
The other types of muscle are cardiac muscle which is also striated and smooth muscle which is non-striated; both of these types of muscle tissue are classified as involuntary, or, under the control of the autonomic nervous system. A skeletal muscle contains multiple fascicles – bundles of muscle fibers.