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bifurcation
division of a tube or vessel into two channels or branches
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bronchodilation
relaxation of smooth muscle in the bronchioles
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caseation
necrosis in which tissue is changed into a dry mass resembling cheese
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clubbing
proliferation of soft tissue around the ends of fingers or toes without osseous change
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cohesion
tendency to stick together or be attracted
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empyema
condition in which pus and fluid from infected tissue collects in body cavity
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eupnea
normal, regular, quiet breathing
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expectorant
promotes the discharge of mucus from the respiratory system
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hemoptysis
frothy sputum containing streaks of blood
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hypercapnia
increased levels of carbon dioxide
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hypoxemia
insufficient oxygen in the arterial blood
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paroxysmal nocturnal dyspnea
awakening in severe respiratory distress, usually associated with pulmonary edema
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proteases
enzyme that breaks downa protein into amino acids
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pulsus paradoxus
abnormal decrease in systolic pressure during inspiration
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rales
a bubbly or crackling sound in the lungs caused by air mixing with fluid in the airways
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rhonchi
coarse, rattling sound somewhat like snoring, usually caused by secretions in the bronchial tubes
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steatorrhea
fatty, bulky stool resulting from malabsorption
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stridor
abnormal high-pitched, crowing sound caused by obstruction in the trachea or larynx
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surface tension
tension or resistance which acts to preserve the integrity of the surface
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wheezing
high pitched whining sound typical of obstruction in the bronchioles and small bronchi
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