Fig. 2From: Expression of components of the urothelial cholinergic system in bladder and cultivated primary urothelial cells of the pigImmunohistochemical staining of muscarinic receptors in native bladder tissue and derived urothelial cells. a+c Muscarinic receptor M2 and b+d M3 could be visualized in a+b native bladder tissue of the German Landrace pig but c+d not in the derived urothelial cells at passage 1. Scale bar = 50 μmBack to article page