Sputum
From The Art and Popular Culture Encyclopedia
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"I have to admit that the Passage was an unbelievable pesthole. It was made to kill you off, slowly but surely, what with the little mongrels' urine, the shit, the sputum, the leaky gas pipes. The stink was worse than the inside of a prison." --Death on Credit (1936) by Louis-Ferdinand Céline |
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Sputum is mucus and is the name used for the coughed-up material (phlegm) from the lower airways (trachea and bronchi). In medicine, sputum samples are usually used for naked eye exam, microbiological investigations of respiratory infections, and cytological investigations of respiratory systems. It is critical that the patient not give a specimen that includes any mucoid material from the interior of the nose. Naked eye exam of sputum can be done at home by a patient in order to note the various colors (see below). Any hint of yellow color suggests an airway infection (but does not indicate between the types of organisms causing it). Such color hints are best detected when the sputum is viewed on a very white background such as white paper, a white pot, or a white sink surface. The more intense the yellow color, the more likely it is a bacterial infection (bronchitis, bronchopneumonia, or pneumonia).
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