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respiratory system

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Term
Definition
adenoids   lymphatic tissue in the nasopharynx  
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alveolus   air sac in the lung  
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apex of the lung   tip or uppermost portion of the lung  
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base of the lung   lower portion of the lung  
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bronchioles   smallest branches of the bronchi  
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bronchus   branch of the trachea that is a passage way into the lung  
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carbon dioxide   gas produced by body cells when o2 and carbon atoms from food combine  
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cilia   thin hairs attached to the mucous membrane epithelium lining the respiratory tract  
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diaphragm   muscle separating the chest and abdomen  
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epiglottis   lid-like piece of cartilage that covers the larynx  
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expiration   breathing out (exhalation)  
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glottis   slit-like opening to the larynx  
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hilum of the lung   midline region where the bronchi, blood vessels, and nerves enter and exit the lungs  
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inspiration   breathing in (inhalation)  
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larynx   voice box  
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lobe   division of a lung  
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mediastinum   region between the lungs in the chest cavity  
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nares   openings through the nose carrying air into the nasal cavities  
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oxygen   gas that makes up 21 percent of the air  
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palatine tonsil   one of a a pair of almond-shaped masses of lymphatic tissue in the oropharynx  
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paranasal sunus   one of the air cavities in the bones near the nose  
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parietal pluera   outer layer of the pleura lying closer to the ribs and chest wall  
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pharynx   throat  
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pleura   double-layered membrane surrounding each lung  
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pleural cavity   space between the folds of the pluera  
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pulmonary parenchyma   essential parts of the lung  
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respiration   process of moving air into and out of the lungs  
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trachea   windpipe  
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visceral pleura   inner layer of pleura lying closer to the lung tissue  
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adenoid/o   adenoids  
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alveol/o   alveolus, air sac  
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bronch/o, bronchi/o   bronchial tube  
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bronchiol/o   bronchiole, small bronchus  
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capn.o   carbon dioxide  
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coni/o   dust  
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cyan/o   blue  
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epiglott/o   epiglottis  
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laryng/o   larynx, voice box  
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lob/o   lobe of the lung  
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mediastin/o   mediastinum  
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nas/o   nose  
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orth/o   straight, upright  
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ox/o   oxygen  
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pector/o   chest  
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pharyng/o   pharynx, throat  
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phon/o   voice  
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phren/o   diaphragm  
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pleur/o   pleura  
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pneum/o, pneumon/o   air, lung  
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pulomon/o   lung  
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rhin/o   nose  
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sinus/o   sinus, cavity  
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spir/o   breathing  
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tel/o   complete  
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thorac/o   chest  
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tonsill/o   tonsils  
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trache/o   trachea, windpipe  
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-ema   condition  
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-osmia   smell  
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-pnea   breathing  
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-ptysis   spitting  
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-sphyxia   pulse  
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-thorax   pleural cavity, chest  
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auscultation   listening to sounds within the body  
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percussion   tapping on a surface to determine the difference in the density of the underlying structure  
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pleural rub   scratchy sound produced by pleural surfaces rubbing against each other  
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rales (crackles)   fine crackling sounds heard on auscultation (during inhalation) when there is fluid in the alveoli  
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rhonchi (rhonchus)   loud rumbling sounds heard on auscultation of the bronchi obstructed by sputum  
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sputum   material expelled from the bronchi, lungs, or upper respiratory tract caused by spitting  
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stridor   strained, high-pitched sound heard on inspiration caused by obstruction in the pharynx or larynx  
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wheezes   continuous high-pitched whistling sounds produced during breathing  
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croup   acute viral infection of infants and children with obstruction of the larynx, accompanied by barking cough and stridor  
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diphtheria   acute infection of the throat and upper respiratory tract caused by the diphtheria bacterium  
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epistaxis   nosebleed  
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pertussis   whooping cough  
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asthma   chronic bronchial inflammatory disorder with airway obstruction due to bronchial edema and constriction and increased mucus production  
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bronchiectasis   chronic dilation of a bronchus, usually secondary to infection  
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chronic bronchitis   inflammation of bronchi persisting over a long time  
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cystic fibrosis (CF)   inherited disorder of exocrine glands resulting in thick mucinous secretions in the respiratory tract that do not drain normally  
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atelectasis   collapsed lung  
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emphysema   hyperinflation of air sacs with destruction of alveolar walls  
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lung cancer   malignant tumor arising from the lungs and bronchi  
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pneumoconiosis   abnormal condition caused by dust in the lungs  
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pneumonia   acute inflammation and infection of alveoli, which fill with pus or products of the inflammatory reaction  
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pulmonary abscess   large collection of pus (bacterial infection) in the lungs  
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pulmonary edema   fluid in the air sacs and bronchioles  
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pulmonary embolism (PE)   clot or other material lodges in vessels of the lung  
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pulmonary fibrosis   formation of scar tissue in the connective tissue of the lungs  
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sarcoidosis   chronic inflammatory disease in which small nodules (granulomas) develop in lungs, lymph nodes, and other organs  
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tuberculosis (TB)   infectious disease caused by Mycobacterium tuberculosis  
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mesothelioma   rare malignant tumor arising in the pleura  
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pleural effusion   abnormal accumulation of fluid in the pleural space  
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pleurisy (pleuritis)   inflammation of the pleura  
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pneumothorax   collection of air in the pleural space  
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anthracnosis   coal dust accumulates in the lungs  
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asbestosis   asbestos particles accumulate in the lungs  
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bacilli (bacillus)   rod-shaped bacteria  
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chronic obstructive pulmonary disease (COPD)   chronic condition of persistent obstruction of air flow through the bronchial tubes and lungs  
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cor pulmonale   failure of the right side of the heart to pump a sufficient amount of blood to the lungs because of underlying lung disease  
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exudates   fluid, cells, and other substances (pus) that filter from cells or capillaries ooze into lesions or areas of inflammation  
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hydrothorax   collection of fluid in the pleural cavity  
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infiltrate   collection of fluid or other material within the lung  
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palliative   relieving symptoms, but not curing the disease  
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paroxysmal   pertaining to a sudden occurrence, such as a spasm or seizure  
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pulmonary infarction   area of necrosis (death of lung tissue)  
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purulent   containing pus  
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silicosis   disease due to silica or glass dust in the lungs  
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chest x-ray (CXR)   radiographic image of the thoracic cavity (chest film)  
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computed tomography (CT) scan of the chest   computer-generated series of x-ray images show thoracic structures in cross section and other planes  
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magnetic resonance imaging (MRI) of the chest   magnetic waves create detailed images of the chest in frontal, lateral, and cross-sectional planes  
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positron emission tomography (PET) scan of the lung   radioactive glucose is injected, and images reveal metabolic activity in the lungs  
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ventilation-perfusion (V/Q) scan   detection device records radioactivity in the lung after intravenous injection of a radioisotope and inhalation of a small amount of radioactive gas (xenom)  
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bronchoscopy   fiberoptic endoscope examination of the bronchial tubes  
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endotracheal intubation   placement of a tube through the mouth into the pharynx, larynx, and trachea to establish an airway  
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laryngoscopy   visual examination of the voice box  
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lung biopsy   removal of lung tissue followed by microscopic examination  
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mediastinoscopy   endoscopic visual examination of the mediastinum  
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pulmonary function tests (PFTs)   tests that measure the ventilation mechanics of the lungs  
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thoracentesis   surgical puncture to remove fluid from the pleural space  
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thoracotomy   large surgical incision of the chest  
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thoracoscopy (thoracoscopy)   visual examination of the chest via small incisions and use of an endoscope  
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tracheostomy   surgical creation of an opening into the trachea through the neck  
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tuberculin test   determines past of present tuberculosis infection based on a positive skin reaction  
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tube thoracostomy   a flexible, plastic chest tube is passed into the pleural space through an opening in the chest  
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