bronchodilator


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 adj relating to or causing expansion of the bronchial air passages <\bronchodilator activity> <\bronchodilator drugs>
bronchodilator n a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages

* * *

n.
an agent that causes widening of the air passages by relaxing bronchial smooth muscle. sympathomimetic drugs that stimulate beta receptors, such as formoterol, salbutamol, and terbutaline, are potent bronchodilators and are used for relief of bronchial asthma and chronic bronchitis. These drugs are often administered as aerosols, giving rapid relief, but at high doses they may stimulate the heart. Some anticholinergic drugs (e.g. ipratropium and theophylline) are also used as bronchodilators.

* * *

bron·cho·di·la·tor (brong″ko-diґla-tər) (-di-laґtər) 1. dilating or expanding the lumina of air passages of the lungs. 2. an agent that causes expansion of the lumina of the air passages of the lungs.

Medical dictionary. 2011.

Look at other dictionaries:

  • 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 — 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


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.