dilate

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Related to dilates: constrict

dilate

 [di´lāt]
to stretch an opening or hollow structure beyond its normal dimensions.

di·late

(dī'lāt), Avoid the mispronunciation dī'ă-lāt.
To perform or undergo dilation.

dilate

/di·late/ (di´lāt) to stretch an opening or hollow structure beyond its normal dimensions.

dilate

[dī′lāt]
to cause a physiological increase in the diameter of a body opening, blood vessel, or tube, such as the widening of the pupil of the eye in response to decreased light or the widening of the uterine cervix during labor.

dilate

verb To stretch or enlarge a tubular structure—e.g., a duct or artery, or a hollow viscus.

di·late

(dī'lāt)
To perform or undergo dilation.

Dilate

To enlarge, open wide, or distend.
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References in periodicals archive ?
Because the compound causes blood vessels to dilate, enabling more blood to flow through them, researchers suspected that inhaling nitric oxide might help patients who were having trouble breathing.
In clinical settings, such as hypoxic respiratory failure, when nitric oxide is inhaled it dilates pulmonary blood vessels in ventilated parts of the lung.
As the hemoglobin transfers its oxygen to tissues, it also sheds small amounts of nitric oxide, which dilates the blood vessels and helps get the oxygen into tissues.
Physicians routinely give patients digitalis to enhance pumping power, diuretics to eliminate fluid buildup, and drugs known as ACE-inhibitors to dilate blood vessels.
When George feels the chest pain caused by an ischemic attack, he reaches for nitroglycerine, a drug that dilates the coronary arteries and thus floods the heart with oxygen-rich blood.