Female urinary bladder (English)

A coronal section of the female urinary bladder and urethra. This section displays the body, fundus and neck of the bladder as well as the main internal features of the urinary bladder: the trigone, left and right ureteric orifices and interureteric crest of the urinary bladder. The female urethra begins as a continuation of the neck of the bladder at the internal urethral orifice and terminates as the external orifice of the female urethra. The urethra is located just anterior to the vagina and is surrounded by the external urethral sphincter along its proximal two-thirds. Distally, it is encircled by a muscular sling formed by the compressor urethrae muscle as well as the urethrovaginal sphincter (not shown).