(anatomy) The tube through which urine exits the body and, in penises, through which semen is ejaculated.

plural of urethra

plural of urethra

(anatomy) The part of the male urethra that runs almost vertically through the prostate gland from its base to its apex.

(anatomy) Pertaining to the urethra.

(anatomy) The collective muscles used to control the flow of urine from the urinary bladder. These muscles surround the urethra, so that when they contract, the urethra is closed.

(medicine) Pain of the urethra.

(anatomy) The enlarged proximal part of the corpus spongiosum.

plural of urethral bulb

plural of urethral sphincter