Definitions for "Sphincter"
A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.
Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.
A ring of muscle surrounding a bodily orifice opening, such as the anus and urethra
Keywords:  sphinx, cipher, cross
a cross between a sphinx and a cipher.
Keywords:  esophageal, lower, see
see lower esophageal sphincter
a segment characterized by a higher resting pressure than adjacent segments