dilator

A noun referring to a muscle, nerve, drug, or surgical instrument that causes dilation or widening of a body part, opening, or organ.

• 🇵🇹Substantivo que designa um músculo, nervo, medicamento ou instrumento cirúrgico que provoca dilatação ou aumento de uma parte do corpo, de um orifício ou de um órgão.

1. Muscle or nerve C1 formal medical

   A muscle or nerve that causes a body part to widen or expand.

   • The iris dilator muscle controls the size of the pupil.
   • The dilator nerve signals the blood vessels to expand.
   • Damage to the dilator can affect how the eye responds to light.

   🇵🇹Dilatador

2. Drug C1 formal medical

   A pharmaceutical substance that causes dilation of blood vessels or other passages.

   • The doctor prescribed a dilator to improve blood flow.
   • This dilator is used to treat certain heart conditions.
   • The patient responded well to the dilator medication.

   🇵🇹Dilatador

3. Surgical instrument C1 formal medical

   A tool used by surgeons to widen an opening or cavity in the body.

   • The surgeon used a dilator to gently expand the artery.
   • A cervical dilator is often used during certain procedures.
   • The instrument set includes several sizes of dilators.

   🇵🇹Dilatador