mucous secretion

1 definition found

mucous secretion - WordNet (r) 2.1 (2005) :

  mucous secretion
      n 1: 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, mucous secretion]