1 The internal sphincter muscle of urethra: located at the bladder's inferior end and the urethra's proximal end at the junction of the urethra with the urinary bladder. 2  The internal sphincter is a continuation of the detrusor muscle and is made of smooth muscle, therefore it is under involuntary or autonomic control.hen either of these muscles contracts, the urethra is sealed shut. The external urethral sphincter originates at the ischiopubic ramus and inserts into the intermeshing muscle fibers from the other side. It is controlled by the deep perineal branch of the pudendal nerve.
Universal Technology already is the third largest defense contractor in the Dayton area based on DoD contract value, according to Dayton Business Journal research, and has about 230 employees, including 200 locally.
Universal Studios is a major motion picture company and former competitor to Walt Disney Studios. It is owned by NBCUniversal, which in turn is owned by Comcast.