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dilator
(redirected from dilator muscles)

    Also found in: Dictionary/thesaurus, Encyclopedia 0.01 sec.
dilator /di·la·tor/ (di-lāt´er)
1. a structure that dilates, or an instrument used to dilate.
2. dilator muscle.
di·la·tor (d-ltr, 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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But there are dilator muscles that work to keep them from collapsing, so that the air passage remains clear.
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However, there''s another kind of muscles, called the dilator muscles - that are responsible for working against such a collapse.
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Dilator muscles, however, are present to keep the air passage open and to help your breathe normally.
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