respiratory syncytial virus | a paramyxovirus that forms syncytia in tissue culture and that is responsible for severe respiratory diseases such as bronchiolitis and bronchial pneumonia (especially in children) |
airline airline business airway | a commercial enterprise that provides scheduled flights for passengers |
air passage air duct airway | a duct that provides ventilation (as in mines) |
tract house | one of many houses of similar design constructed together on a tract of land |
tract housing | housing consisting of similar houses constructed together on a tract of land |
alimentary tract smear | any of several cytologic smears obtained from different parts of the alimentary tract, obtained by specialized lavage techniques and used mainly to diagnose cancer in those parts |
lower respiratory tract smear bronchoscopic smear sputum smear | any of several cytologic smears obtained from different parts of the lower respiratory tract, used for cytologic study of cancer and other diseases of the lungs |
nerve pathway tract nerve tract pathway | a bundle of myelinated nerve fibers following a path through the brain |
optic nerve nervus opticus second cranial nerve optic tract | the cranial nerve that serves the retina |
pyramidal tract pyramidal motor system corticospinal tract | any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord |
respiratory system systema respiratorium | the system for taking in oxygen and giving off carbon dioxide, in terrestrial animals this is accomplished by breathing |
respiratory tract airway | the passages through which air enters and leaves the body |
lower respiratory tract | the bronchi and lungs |
upper respiratory tract | the nose and throat and trachea |
tract | a system of body parts that together serve some particular purpose |
urinary tract | the organs and tubes involved in the production and excretion of urine |
respiratory organ | any organ involved in the process of respiration |
alimentary canal alimentary tract digestive tube digestive tract gastrointestinal tract GI tract | tubular passage of mucous membrane and muscle extending about . meters from mouth to anus, functions in digestion and elimination |
respiratory center | the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles |
tract pamphlet | a brief treatise on a subject of interest, published in the form of a booklet |
air lane flight path airway skyway | a designated route followed by airplanes in flying from one airport to another |
tract piece of land piece of ground parcel of land parcel | an extended area of land |
respiratory quotient | the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism or cell in a given period of time |
respiratory acidosis carbon dioxide acidosis | acidosis resulting from reduced gas exchange in the lungs (as in emphysema or pneumonia), excess carbon dioxide combines with water to form carbonic acid which increases the acidity of the blood |
respiratory alkalosis | alkalosis resulting from increased gas exchange in the lungs (as in hyperventilation associated with extreme anxiety or aspirin intoxication or metabolic acidosis) |
adult respiratory distress syndrome ARDS wet lung white lung | acute lung injury characterized by coughing and rales, inflammation of the lungs which become stiff and fibrous and cannot exchange oxygen, occurs among persons exposed to irritants such as corrosive chemical vapors or ammonia or chlorine etc. |
respiratory disease respiratory illness respiratory disorder | a disease affecting the respiratory system |
respiratory distress syndrome respiratory distress syndrome of the newborn hyaline membrane disease | an acute lung disease of the newborn (especially the premature newborn), lungs cannot expand because of a wetting agent is lacking, characterized by rapid shallow breathing and cyanosis and the formation of a glassy hyaline membrane over the alveoli |
respiratory tract infection respiratory infection | any infection of the respiratory tract |
lower respiratory infection | infection of the lower respiratory tract |
severe acute respiratory syndrome SARS | a respiratory disease of unknown etiology that apparently originated in mainland China in , characterized by fever and coughing or difficulty breathing or hypoxia, can be fatal |
upper respiratory infection | infection of the upper respiratory tract |
urinary tract infection | any infection of any of the organs of the urinary tract |
respiratory rate rate of respiration | the rate at which a person inhales and exhales, usually measured to obtain a quick evaluation of a person's health |
blocked plugged | completely obstructed or closed off, the storm was responsible for many blocked roads and bridges, the drain was plugged |
blocked out of use(p) | closed to traffic, the repaving results in many blocked streets |
respiratory | pertaining to respiration, respiratory assistance |