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dilator
(redirected from Dilator Muscle)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.02 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
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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? Mentioned in ? References in periodicals archive
 
Their larynx has a rigid fibrous structure and a dilator muscle in addition to a constrictor muscle.
Recurrent laryngeal nerve paralysis: Current concepts and treatment: ... by Brasnu, Daniel F. / Ear, Nose and Throat Journal
Endoscopy performed during end expiration reduces the compensatory inspiratory dilator muscle tone.
Predicting which patients will benefit from surgery for obstructive ... by Woodson, B. Tucker / Ear, Nose and Throat Journal
OSA represents the most extreme degree of lack of compensation for increased upper airway resistance, and it is characterized by upper airway collapse uncompensated by dilator muscle action.
An overview of sleep disordered breathing for the otolaryngologist by Sher, Aaron E. / Ear, Nose and Throat Journal
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