mucous secretion

Từ điển WordNet v3.1 - WordNet Dictionary

noun

protective secretion of the mucus 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
• Syn:
mucus
• Derivationally related forms:
mucous (for: mucus)
• Hypernyms:
secretion
• Hyponyms:
phlegm, sputum, snot, booger, leukorrhea, leucorrhea
• Substance Meronyms:
mucin