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Dilator (Noun)

A drug that causes dilation.

Nouns denoting man-made objects.

The doctor prescribed a dilator to help relax the patient's airway muscles and improve breathing.
The medication acted as a dilator, widening the blood vessels and increasing blood flow to the affected area.
The nurse administered a dilator to the patient's eyes to prepare them for the upcoming examination.
The anesthesiologist used a dilator to relax the patient's muscles and reduce anxiety during the procedure.
The emergency room physician gave the patient a dilator to help alleviate the severe asthma attack.

A muscle or nerve that dilates or widens a body part.

Nouns denoting body parts.

The iris dilator muscle in the eye controls the amount of light that enters by adjusting the size of the pupil.
The dilator naris muscle is responsible for widening the nostrils to allow for increased airflow during exercise.
The dilator pupillae muscle is a smooth muscle that dilates the pupil in low light conditions.
The dilator muscle of the anus is a smooth muscle that helps to widen the anal opening during defecation.
The dilator muscle of the urethra is a smooth muscle that helps to widen the urethral opening during urination.