Sphincter urethrae is present in
The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra.The internal sphincter is a continuation of the detrusor muscle and is made of smooth muscle, therefore it is under involuntary or autonomic control. ref - BDC 6e vol2 pg372-376
Prostatic urethrae
Spongy urethrae
Membranous urethrae
Penile urethrae
Abdomen and pelvis