A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. ... Sphincters relax at death, often releasing fluids and faeces.
muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. ... Sphincters relax at death, often releasing fluids and faeces.
