does urethral penetration damage splinter muscles?
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Answer:
The urethral sphincter refers to one of the following muscles [3]: 1) the internal urethral sphincter (IUS), which consists of smooth muscle and is continuous with the detrusor muscle and under involuntary control, and 2) the external urethral sphincter (EUS), which is made up of striated muscle and is under voluntary ...
Urethra is the duct that carries urine from the bladder to the outside of the body. The systoscope consists of lenses like a telescope or microscope. These lenses allow the doctor to focus on the inner surfaces of the urethra. Some systoscopes use an optical fiber (a flexible glass wire) that displays the image from the tool's front to the viewing piece on the other end. The cystoscopes are from a pencil thickness up to 9 mm thick, with a light source at the front. Many cystoscopes have additional tubes that guide the equipment for surgical procedures to treat urinary problems.