A type of drug that causes small airways in the lungs to open up. Bronchodilators are inhaled and are used to treat breathing disorders, such as asthma or emphysema.

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  • bronchodilator — [bräŋ΄kō dī′lāt΄ər] n. any of various drugs, as epinephrine or theophylline, that open bronchial air passages by relaxing the tightened muscles that surround the bronchial tubes, used to treat asthma, bronchitis, emphysema, etc. bronchodilation… …   English World dictionary

  • bronchodilator — 1. Causing an increase in caliber of a bronchus or bronchial tube. 2. An agent that possesses this power ( e.g., epinephrine, albuterol). * * * bron·cho·di·la·tor dī lāt ər, dī .lāt also bron·cho·di·la·to·ry dī lāt ə rē …   Medical dictionary

  • Bronchodilator — A bronchodilator is a substance that the bronchi and bronchioles, decreasing airway resistance and thereby facilitating airflow. Bronchodilators may be endogenous (originating naturally within the body), or they may be medications administered… …   Wikipedia

  • bronchodilator — noun Date: 1903 a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages • bronchodilator adjective …   New Collegiate Dictionary

  • Bronchodilator — Ein Bronchospasmolytikum ist ein Arzneimittel, das den Tonus der Bronchialmuskulatur senkt und damit eine Weitung der Bronchien bewirkt. Bronchospasmolytika werden typischerweise zur Behandlung des Asthma bronchiale eingesetzt. Inhaltsverzeichnis …   Deutsch Wikipedia

  • bronchodilator — /brong koh duy lay teuhr, di /, n. a substance that acts to dilate constricted bronchial tubes to aid breathing, used esp. for relief of asthma. [1900 05; BRONCHO + DILATOR] * * * …   Universalium

  • bronchodilator — noun Any drug used to dilate and relax the bronchial passages and ease the flow of air to the lungs …   Wiktionary

  • bronchodilator — n. agent that expands the bronchial tubes (Anatomy) …   English contemporary dictionary

  • bronchodilator — [ˌbrɒŋkə(ʊ)dʌɪ leɪtə] noun Medicine a drug that causes widening of the bronchi, e.g. any of those taken by inhalation for the alleviation of asthma. Derivatives bronchodilation noun …   English new terms dictionary

  • bronchodilator — bron·cho·dilator …   English syllables

  • bronchodilator — n. an agent that causes widening of the air passages by relaxing bronchial smooth muscle. Sympathomimetic drugs that stimulate β2 adrenoceptors, such as formoterol, salbutamol, and terbutaline, are potent bronchodilators and are used for relief… …   The new mediacal dictionary

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