Sphincter of Oddi.
the sphincter muscles are unable to keep the bladder closed (intrinsic sphincter deficiency, ISD).
The internal urethral sphincter an involuntary sphincter that keeps the urethra closed when urine is not being used. The external urethral sphincter is fashioned by skeletal muscles as the urethra passes thorugh the pelvic floor.This sphincter is voluntary controlled.
The anal sphincter and the bladder sphincter in potty trained children and in most other people whose spinal cords are intact or are not suffering from some diseases.
Assholicus Maximus & Buttockical Minimus
a vsessel that contains
Esophageal sphincter or known as cardia. It prevents the acids and stomach contains to re-enter the esophagus.
the capillaries are the most common blood vessel in the human body.
Norbert has burst a blood vessel.There is an unidentified vessel in our waters.This sacred vessel contains the organs of the mummified Pharaoh.
in the veins
hepatic vein
outer anal sphincter
What is the function of the cardiac sphincter?
cricopharyngeal sphincter
ileocecal sphincter (valve)
Hepatic Vein
cardiac sphincter; or gastroesophageal sphincter; or lower esophageal sphincter (LES); or esophageal sphincter from http://en.wikipedia.org/wiki/Cardia