Urethra - Urethra

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Urethra The urethra drains urine from the urinary bladder to an exterior opening of the body, the  external urethral orifice. In females, the urethra is about 3 to 4 cm (1.5 in) long and  opens to the outside of the body between the vagina and the clitoris. In males, the  urethra is about 15 to 20 cm (6 to 8 in) long and passes through the prostate gland, the  urogenital diaphragm, and the penis. In these regions, the urethra is called the prostatic  urethra, membraneous urethra, and spongy (penile) urethra, respectively. In both males  and females, a skeletal muscle, the external urethral sphincter, surrounds the urethra as  it passes through the urogenital diaphragm. Micturition, or urination, is the process of releasing urine from the urinary bladder into 
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/10/2011 for the course PT 101 taught by Professor Staff during the Spring '10 term at Texas State.

Ask a homework question - tutors are online