Fig. 4

Microvessel density. a Mean microvessel density. b Maximum microvessel density in a specific field. c Negative Control d T8 group. e TC12 group. f TN12 group. g TC16 group. h TN16 group. i TC22(8–12) group. j: TN22(8–12) group. k TC22(12–16) group. l TN22(12–16) Values expressed as media or maximum media values and compared between treated and its respective control group. *p < 0.05; **p < 0.01; ***p < 0.005