| pulse-chase analysis |
a method for examining a cellular process occurring over time: organisms, cells, or organelles are briefly exposed to a radioactive compound (pulse) and washed; then they are exposed to the same compound, but in a nonradioactive form, for varying lengths of time (chase), and their characteristics over time are observed.
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| pulmonary tuberculosis |
infection of the lungs by Mycobacterium tuberculosis. The usual course of untreated disease is tuberculous pneumonia, formation of tuberculous granulation tissue, caseous necrosis, calcification, and cavity formation. It may spread to other lung segments via the bronchi, or to other organs via the blood or lymph vessels. Symptoms may include weight loss, lassitude and fatigue, night sweats, and wasting, with purulent sputum, hemoptysis, and chest pain. See also primary t. and postprimary t. ...
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| pulmonic murmur |
one due to disease of the pulmonary valve or artery.
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| pulmonary atresia |
congenital severe narrowing or obstruction of the opening between the pulmonary artery and the right ventricle, characterized by cardiomegaly, reduced pulmonary vascularity, and right ventricular atrophy. It is usually associated with tetralogy of Fallot, transposition of the great vessels, or other cardiovascular anomalies.
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| pulmonary circulation |
that carrying the venous blood from the right ventricle to the lungs, and returning oxygenated blood to the left atrium of the heart; called also lesser c.
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