dilator
dilator (dy-lay-ter) n.
1. an instrument used to enlarge a body opening or cavity.
2. a drug, applied either locally or systemically, that causes expansion of a structure. See also vasodilator.
3. a muscle that, by its action, opens an aperture or orifice in the body.
1. an instrument used to enlarge a body opening or cavity.
2. a drug, applied either locally or systemically, that causes expansion of a structure. See also vasodilator.
3. a muscle that, by its action, opens an aperture or orifice in the body.
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dilator