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.
Voluntary muscles are those controlled by the conscious part of the brain, and are striated. These are the skeletal muscles that enable the body to move, and there are more than 600 of them in the human body. Their fibers are grouped together in sheaths of muscle cells.etrusor muscle of bladder, detrusor urinae muscle the bundles of smooth muscle fibers forming the muscular coat of the urinary bladder, which are arranged in a longitudinal and a circular layer and, on contraction, serve to expel urine.