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Mucus vs Sputum - What's the difference?

mucus | sputum |

In physiology terms the difference between mucus and sputum

is that mucus is a slippery secretion from the lining of the mucous membranes while sputum is matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus.

mucus

English

(wikipedia mucus)

Noun

(-)
  • (physiology) A slippery secretion from the lining of the mucous membranes.
  • Hyponyms

    * phlegm * rheum

    Derived terms

    * mucoid * mucoidal * mucous * mucilaginous

    sputum

    English

    Noun

    (sputa)
  • (physiology) Matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus.
  • See also

    * (wikipedia "sputum")