GENERAL HISTOLOGY

Detailed explanation-1: -Urethra. This tube allows urine to pass outside the body. The brain signals the bladder muscles to tighten, which squeezes urine out of the bladder. At the same time, the brain signals the sphincter muscles to relax to let urine exit the bladder through the urethra.

Detailed explanation-2: -The membranous urethra: The short part of the urethra that transports fluids through the pelvic floor. The penile urethra (also called the spongy urethra or the cavernous urethra): The longest piece of the urethra.

Detailed explanation-3: -Urethra. A tube located at the bottom of the bladder that allows urine to exit the body during urination. All parts of the urinary tract-the kidneys, ureters, bladder, and urethra-must work together to urinate normally.