bronchodilator

Thân thiện

A doctor prescribes a bronchodilator to a patient with asthma.

Definition

1. Noun:
   • A substance that widens the airways in the lungs: A bronchodilator is a type of medication that relaxes the muscles surrounding the bronchial tubes (airways), causing them to open up. This action improves the flow of air into and out of the lungs.

Examples of Usage

• Noun:
  • The doctor prescribed a bronchodilator to help manage her asthma symptoms.
  • Fast-acting bronchodilators are often used for quick relief during an asthma attack.
  • This inhaler contains a bronchodilator to make breathing easier.

Advanced Usage

• As a therapeutic class: The term is often used in medical contexts to categorize a class of drugs based on their primary mechanism of action.
  • Beta-agonists and anticholinergics are two common types of bronchodilators.

Variants and Related Words

• Bronchodilation (n): The process or result of the airways widening.
  • The medication's primary effect is bronchodilation.
• Bronchodilate (v): To cause or undergo the widening of the airways. (Note: This verb form is less common in everyday speech and is primarily used in medical/technical writing).
  • The drug works to bronchodilate the constricted passages.

Synonyms

• Airway opener: An informal descriptive term.
• Bronchial dilator: A more technical synonym.

Notes on Meaning

• Medical Specificity: The word "bronchodilator" is highly specific to pharmacology and respiratory medicine. It refers precisely to the drug's function and is not used metaphorically.
• Form: It is almost exclusively used as a noun. The related verb "bronchodilate" is rare in general usage.

Học thuật

Noun

1. a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs