Look up: zymosan

1. zymosan
   <biology, plant biology> Particulate yeast cell wall polysaccharide (mannan rich) that will activate complement in serum through the alternate pathway. ... Becomes coated with C3b/C3bi and is therefore a convenient opsonised particle, also leads to C5a production in the serum. ... (18 Nov 1997) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
2. zymosan
   zymosan An anticomplement obtained from the walls of yeast cells. An anticomplement is a substance that combines with a complement and so neutralises its action by preventing its union with the antibody.
   Found on http://www.wordinfo.info/words/index/inf
   
   
3. Zymosan
   `Zymosan` is a glucan with repeating glucose units connected by β-1,3-glycosidic linkages. It binds to TLR 2.--> Zymosan is prepared from yeast cell wall and consists of protein-carbohydrate complexes. It is used to induce experimental sterile inflammation. In macrophages, zymosan-induced respons...
   Found on http://en.wikipedia.org/wiki/Zymosan