Category: B

  • Bronchomediastinal trunk

    The set of lymph nodes draining part of the chest.  

  • Bronchography

    An X-ray examination of the lungs after an opaque substance has been put into the bronchi. X-ray examination of the bronchial tree after it has been made visible by the injection of radio-opaque dye or the inhalation of radio-opaque particles, such as tantalum. It is used particularly in the diagnosis of bronchiectasis. A radiographic procedure…

  • Bronchogram

    An X-ray picture of the bronchial tubes obtained by bronchography. A radiographic record of the bronchi and bronchioles after injection of contrast medium.  

  • Bronchoconstrictor

    A drug which narrows the bronchi. Substance that causes contraction of the smooth muscle walls of bronchi, leading to constriction or narrowing of the opening (lumen). Symptoms (e.g., wheezing, shortness of breath) and abnormalities in lung function tests may result. A bronchodilator has the opposite effect (dilates the airways). A drug that causes narrowing of…

  • Bronchitic

    Referring to bronchitis. Referring to a person who has bronchitis.  

  • Bronchiolitis

    Inflammation of the bronchioles, usually in small children. Viral infection of the lower respirator tract, occurring most often in children under 1 or 2 years of age and characterized y respirator distress, wheezing on expiration, low-grade fever, cough, and nasal discharge. The disease usually disappears within a week or 10 days. Antibiotics and bronchodilators are…

  • Bronchiolar

    Referring to the bronchioles.  

  • Bronchial tree

    A system of tubes (bronchi and bronchioles) which take the air from the trachea into the lungs. An anatomic complex of the trachea and bronchi. A branching system of tubes conducting air from the trachea (windpipe) to the lungs: includes the bronchi and their subdivisions and the bronchioles. The right or left primary bronchus with…

  • Bronchial breath sounds

    Distinctive breath sounds from the lungs which help diagnosis.  

  • Bromism

    Chronic ill health caused by excessive use of bromides. A group of symptoms caused by excessive intake of ‘bromides. Overuse for long periods leads to mental dullness, weakness, drowsiness, loss of sensation, slurred speech, and sometimes coma. A form of acne may also develop. Treatment is by immediate withdrawal.