Urethral sounding is a medical procedure and sexual practice where a thin, smooth object is inserted into your urethra. Your urethra is the hollow tube that allows pee to leave your body. Sounding is ...

Posterior urethral disruption is a traumatic injury to the male urethra, which most often results from pelvic fracture. After trauma, the distraction defect between the two ends of the urethra often ...

The urethra is the passageway between the bladder and the external part of the body, which allows urine to be excreted from the body. The urethra is a thin, fibromuscular tube that begins at the lower ...

Micturition or urination is the process of emptying urine from the storage organ, namely, the urinary bladder. The detrusor is the smooth or involuntary muscle of the bladder wall. The urethral ...

Dysuria, the sensation of burning, pain, and discomfort when you urinate, may also cause lower abdominal pain and other symptoms in women and people assigned female at birth. (Photo Credit: ...

Urethral caruncles are small, harmless lumps that form at the opening of the urethra. Most urethral caruncles cause no symptoms, but they can sometimes lead to pain or bleeding. Treatment usually ...

Urethritis is an inflammation of the urethra usually caused by STIs like gonorrhea and chlamydia. Symptoms often include pain during urination and discharge, especially in men. If left untreated, ...

A prostatectomy is a surgical procedure for the partial or complete removal of the prostate. It may be performed to treat prostate cancer or benign prostatic hyperplasia. A common surgical approach to ...

The prostate is a small gland about the size of a walnut. It is divided into 2 lobes and surrounded by an outer layer called the capsule. The prostate gets bigger as you get older. The prostate is ...

The kidneys The nephron - Higher tier only Anti-diuretic hormone (ADH) Kidney disease How a dialysis machine works - Higher tier only ...