GENERAL HISTOLOGY

Detailed explanation-1: -The urethra is the tube that lets urine leave your bladder and your body. If you were assigned male at birth, your urethra passes through your prostate and into your penis. If you were assigned female at birth, your urethra is much shorter. It runs from your bladder to open in front of your vagina.

Detailed explanation-2: -The tube that carries urine from the kidney to the bladder.

Detailed explanation-3: -The bladder is situated just posterior to the pubic symphysis. Posteriorly, the anterior wall of the vagina sits behind the bladder in females. In males, the rectum is located posterior to the bladder. Inferiorly, the muscles of the pelvic diaphragm support the bladder.

Detailed explanation-4: -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.