dilator /di·la·tor/ (di-lāt´er)
dilator
dilator [di-la´ter]
dilator
1. a structure that dilates, or an instrument used to dilate.
2. dilator muscle.
di·la·tor (d -l  t r, dl -, d -l-)n. 1. An instrument or a substance for enlarging a cavity, canal, blood vessel, or opening. 2. A muscle that dilates an orifice or a body part, such as a blood vessel or the pupil of the eye. Also called dilatator. |
dilator
[dī′lātər]
Etymology: L, dilatare, to widen
a device for expanding a body opening or cavity. Examples include a tent dilator, consisting of a sponge or bundle of seaweed that expands the cervical os, and a Barnes' bag (dilator), a rubber bag that can be inserted into a body cavity and filled with water to produce pressure on the cavity walls.
dilator [di-la´ter]
a structure (muscle) that dilates, or an instrument used to dilate.
dilator
a structure (muscle) that dilates, or an instrument used to dilate.
dilator pupillae muscle
dilator muscle of the pupil.
dilator
Therapeutics A device used to stretch/enlarge an opening or tubular structure–eg, esophagus, to allow the passage of food. See Bougienage.
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