Dilation

Dilation (or dilatation) may refer to:

==Physiology or medicine== Cervical dilation, the widening of the cervix in childbirth, miscarriage etc. Coronary dilation, or coronary reflex Dilation and curettage, the opening of the cervix and surgical removal of the contents of the uterus Dilation and evacuation, the dilation of the cervix and evacuation of the contents of the uterus Esophageal dilation, a procedure for widening a narrowed esophagus Pupillary dilation (also called mydriasis), the widening of the pupil of the eye Vaginal dilation, the dilation of the vaginal canal Vasodilation, the widening of luminal diameter in blood vessels