Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
sputum | Yes | No | No | No |
mucus | Yes | No | No | No |
sputum (noun) | mucus (noun) |
---|---|
expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness | protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium |