Dilator
From Wikipedia, the free encyclopedia
Dilator is a medical term with a number of uses, including:
- A surgical instrument or medical implement used to induce dilation, that is, to expand an opening or passage such as the cervix, urethra, esophagus, or vaginal introitus.
- A pharmacological treatment used to induce dilation, such as cervical dilation, vasodilation, or pupillary dilation.
- A muscle which causes dilation of a part, for example, the iris dilator muscle or the dilator naris muscle.