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.

[edit] See also

• Stent

This medical article is a stub. You can help Wikipedia by expanding it. v • d • e