| bronchogenic carcinoma | <tumour> Squamous cell or oat cell carcinoma that arises in the mucosa of the large bronchi and produces a persistent productive cough or haemoptysis; local growth causes bronchial obstruction and is observed radiologically as an enlarging lung mass; malignant tumour cells can be detected in the sputum, and they metastasize early to the thoracic lymph nodes and to the brain, adrenal glands, and other organs via the bloodstream. (05 Mar 2000) |
|---|---|
| bronchogenic cyst | <radiology> Abnormality of primitive foregut (ventral segment = tracheobronchial tree; dorsal segment = oesophagus), lined with columnar respiratory epithelium, CT: water density (50%); higher density (50%); may have air/fluid level, mediastinal brochogenic cyst (86%), associated with spinal abnormalities, M:F = 1:1, stridor, dysphagia; usually assymptomatic, may communicate with tracheal lumen, location: posterior mediastinum (50%), pericarinal (35%), superior mediastinum (14%); usually on right, intrapulmonary bronchogenic cyst (14%), M>F; LL:UL = 2:1 (usually medial third), infection (75%), dyspnea, haemoptysis, 36% will eventually contain air (12 Dec 1998) |
| bronchogram | A radiograph obtained by bronchography; radiographic visualization of a bronchus. Origin: broncho-+ G. Gramma, a writing (05 Mar 2000) |
| bronchography | Radiography of the bronchial tree after injection of a contrast medium. (12 Dec 1998) |
| broncholith | A hard concretion in a bronchus or bronchial tube. Synonym: bronchial calculus. Origin: broncho-+ G. Lithos, stone (05 Mar 2000) |
| broncholithiasis | Bronchial inflammation or obstruction caused by broncholiths. (05 Mar 2000) |
| bronchomalacia | Degeneration of elastic and connective tissue of bronchi and trachea. Origin: broncho-+ G. Malakia, a softening (05 Mar 2000) |
| bronchomediastinal trunk | A lymphatic vessel arising from the union of the efferent lymphatics from the tracheo-bronchial and mediastinal nodes on either side. On the left side, it may be largely replaced by direct drainage into the thoracic duct. Synonym: truncus bronchiomediastinalis. (05 Mar 2000) |
| bronchomotor | 1. Relating to a change in caliber, dilation, or contraction of a bronchus or bronchiole. 2. An agent possessing this action. Origin: broncho-+ L. Motor, mover (05 Mar 2000) |
| bronchomycosis | Any fungus disease of the bronchial tubes or bronchi. Origin: broncho-+ G. Mykes, fungus (05 Mar 2000) |
| bronchophony | A modification of the voice sounds, by which they are intensified and heightened in pitch; observed in auscultation of the chest in certain cases of intro-thoracic disease. Origin: Gr. Windpipe + sound. Source: Websters Dictionary (01 Mar 1998) |
| bronchoplasty | Surgical alteration of the configuration of a bronchus. Origin: broncho-+ G. Plastos, formed (05 Mar 2000) |
| bronchopleural fistula | Communication between a bronchus and the pleural cavity; usually caused by necrotizing pneumonia or empyema; also may follow pulmonary surgery or irradiation. Synonym: B-P fistula. (05 Mar 2000) |
| bronchopneumonia | <chest medicine> A name given to an inflammation of the lungs which usually begins in the terminal bronchioles. These become clogged with a mucopurulent exudate forming consolidated patches in adjacent lobules. The disease is frequently secondary in character, following infections of the upper respiratory tract, specific infectious fevers and debilitating diseases. In infants and debilitated persons of any age it may occur as a primary affection. Synonym: bronchial pneumonia, bronchoalveolitis, bronchopneumonitis, lobular pneumonia. (11 Jan 1998) |
| bronchopneumonic aspergillosis | An inflammatory and destructive disease of the bronchi and lungs due to the presence and growth of Aspergillus fumigatus. There are four varieties: 1) a bronchial infection with allergic manifestations, in which the fungus grows in the mucus (evoked by the inflammation), which may be expectorated as yellow bronchial casts and may cause intermittent bronchial obstruction, with transient pulmonary shadows seen radiographically; asthma is often present, and bronchial wall destruction may eventually result in a proximal form of bronchiectasis; 2) aspergilloma; 3) an infection with pulmonary necrosis as a pneumonic involvement of the lung in debilitated subjects; 4) disseminated aspergillosis. Synonym: bronchopneumonic aspergillosis, pulmonary aspergillosis. Disseminated aspergillosis, a variety of bronchopulmonary aspergillosis, characterised by a generalised infection of the lung with Aspergillus occurring usually in subjects with defective immune response. Invasive aspergillosis, so-called because of the peculiar predilection of Aspergillus fumigatus to invade blood vessels and cause tissue infarction; it is second only to candidiasis as a cause of opportunistic fungal infection in patients whose immune mechanisms have been suppressed by chemotherapy. (05 Mar 2000) |
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| bronchus |
A large air passage that leads from the trachea (windpipe) to the lung.
Ãâó: www.stjude.org/glossary
|
|---|---|
| bromelain |
An enzyme found in pineapples that breaks down other proteins, such as collagen and muscle fiber, and has anti-inflammatory properties. It is used as a meat tenderizer in the food industry.
Ãâó: www.stjude.org/glossary
|
| bronchi |
The large air passages that lead from the trachea (windpipe) to the lungs.
Ãâó: www.stjude.org/glossary
|
| Broadbent's inverted sign |
pulsations synchronizing with ventricular systole on the posterior lateral wall of the chest in gross dilatation of the left atrium.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| Brockenbrough's sign |
occurrence of a weak pulse instead of a strong one immediately after a premature ventricular contraction; indicative of idiopathic hypertrophic subaortic stenosis.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| BRO | any of the salts of hydrobromic acid |
|---|---|
| BRO | dull and tiresome but with pretensions of significance or originality |
| BRO | given to uttering bromides |
| BRO | treat with bromine |
| BRO | react with bromine |
| BRO | a nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens |
| BRO | (trademark) an antacid |
| BRO | colorless liquid haloform CHBr3 |
| BRO | a dye used as an acid-base indicator |
| BRO | a dye used as an acid-base indicator |
| BRO | antihistamine (trade name Dimetane) used to treat hypersensitivity reactions (as rhinitis) |
| BRO | a dye used as an acid-base indicator |
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