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physiological sphincter

DEFINITIONS OF: physiological sphincter

1

n a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue

Types:
cardiac sphincter
the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction
Type of:
anatomical sphincter, sphincter, sphincter muscle
a ring of muscle that contracts to close an opening
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