dilator

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dilator

 [di-la´ter]
a structure (muscle) that dilates, or an instrument used to dilate.

di·la·tor

(dī'lā-tŏr), This abridgment of dilatator is not correct Latin and is not recognized in TA.
1. An instrument designed to enlarge a hollow structure or opening.
See also: bougie.
2. A muscle that pulls open an orifice.
See also: bougie.
3. A substance that causes dilation or enlargement of an opening or the lumen of a hollow structure.
See also: bougie.
Synonym(s): dilatator

dilator

/di·la·tor/ (di-lāt´er)
1. a structure that dilates, or an instrument used to dilate.

dilator

(dī-lā′tər, dī′lā′-, dĭ-lā′-)
n.
1. A muscle that dilates a body part, such as a blood vessel or the pupil of the eye.
2. An instrument that dilates a body part, such as a cavity, canal, or orifice.

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

Therapeutics A device used to stretch/enlarge an opening or tubular structure–eg, esophagus, to allow the passage of food. See Bougienage.

di·la·tor

(dī'lā-tŏr)
1. An instrument designed for enlarging a hollow structure or opening.
2. A muscle that pulls open an orifice.
3. A substance that causes dilation or enlargement of an opening or the lumen of a hollow structure.

dilator

Any instrument used to widen or enlarge an opening, orifice or passage. Dilators are extensively used in surgery.

dilator

  1. a muscle whose contraction opens an aperture or orifice; an example is the dilator muscle of the eye.
  2. a drug whose effect is the expansion of a structure.

di·la·tor

(dī'lā-tŏr)
See: dilatator.

dilator

a structure (muscle) that dilates, or an instrument used to dilate.

dilator pupillae muscle
dilator muscle of the pupil.