most tinnitus is primary tinnitus where no cause can be identified aside from hearing loss secondary tinnitus is associated with a specific underlying cause that may be treatable your doctor will help you distinguish whether your tinnitus is primary or secondary
voluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.oluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.
any muscle, including all of the skeletal muscles, in which the fibers are divided by bands of cross-striations (stripes) as a result of overlapping of thick and thin myofilaments. Contractions in such muscles are voluntary. The heart, a striated involuntary muscle, is an exception. Cardiac muscle is often placed in its own category because it has microanatomical and contraction physiological characteristics very different from those of most striated muscle. Also called skeletal muscle, voluntary muscle.