Matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus.
In the early 1890s the work in the laboratory consisted of postmortems, urinalyses, and examination of sputums.
From New Latin, from Latin sputum (“that which is spit out, spittle”), from spuere (“to spit”).
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