Dilator ordilatator is a medical term with a number of uses, including:

• Asurgical instrument or medical implement used to inducedilation, that is, to expand an opening or passage such as thecervix (seecervical dilator),urethra,esophagus, orvaginal introitus.
• Apharmacological treatment used to induce dilation, such ascervical dilation,vasodilation, orpupillary dilation. For example, abronchodilator.
• A muscle which causes dilation of a part, for example, theiris dilator muscle or thedilator naris muscle.

Wikimedia Commons has media related toDilators.

• Stent
• Vaginal dilator

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