sep11:Michael Carroll sep11:Peter Carroll sep11:Neilie Casey sep11:Jeffrey Coombs sep11:Tara Creamer Thelma Cuccinello[?] sep11:Patrick Currivan
... external urethral sphincter is the skeletal muscle that allows voluntary control over urination. In the human female, the urethra is about 1-1.5 inches (25-38 mm) long ...