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mucin

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
mu·cin  (mysn)
n.
Any of a group of glycoproteins found especially in the secretions of mucous membranes.

mucin·ous adj.

mucin [ˈmjuːsɪn]
n
(Life Sciences & Allied Applications / Biochemistry) Biochem any of a group of nitrogenous mucoproteins occurring in saliva, skin, tendon, etc., that produce a very viscous solution in water
[via French from Latin mucus]
mucinous  adj
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.mucin - a nitrogenous substance found in mucous secretions; a lubricant that protects body surfaces
mucous secretion, mucus - 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
glycoprotein - a conjugated protein having a carbohydrate component


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The illustrated chapters include fixation and processing, microtomy, frozen sections, hematoxylin and eosin, Gram stain, myobacteria, Heliobacter pylori, spirochetes, fungi, trichrome stains, reticulin, elastin stains, basement membranes, mucin stains, amyloid, and immunohistochemistry.
When untreated mice inhaled ragweed extract, their lungs suffered an influx of eosinophils (inflammation-inducing white blood cells), a jump in inflammatory signaling molecules, a buildup of mucin (a protein component of mucus) and an increase in airway hyper-reactivity (the tendency of air passages to suddenly constrict under stress).
The reason that NAC is ineffective may be due to the fact that NAC only affects the mucin polymer structure leaving DNA and debris intact, resulting in secretions that are still viscid.
 
 
 
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