Expressions of Tau, P-Ser396-Tau P-Ser404-Tau, MOR, PKC, p38 and p-p38 in the distal colonic muscles of three groups of rats on the 7th day of modeling. A-C, Protein expressions of Tau, P-Ser396-Tau, P-Ser404-Tau, MOR, PKC, p38 and p-p38. D-J, Statistical analysis of Tau, P-Ser396-Tau, P-Ser404-Tau, MOR, PKC, p38 and p-p38 expressions.