Rodents are of the orderRodentia, characterised by a single pair of continuously growing incisors in each of the upper and lower jaws that must be kept short by gnawing.
Zymosan is a glucan with repeating glucose units connected by β-1,3-glycosidic linkages. It binds to TLR 2. Zymosan is a ligand found on the surface of fungi, like yeast.