Fig. 11

Effect of n-hexane leaf extract of Ipomoea batatas L. on the spleen. (1) The control Rat spleen represented with A as white pulp, B as red pulp and C as arteriole, (2) phenylhydrazine alone showed A—severe sinus dilation and B—moderate follicular atrophy, (3) at 5 mg/kg of ferrous (iii) hydroxide poly-maltose showed A—mild follicular atrophy, (4) at 125 mg/kg n-hexane showed A—normal follicular architecture (5) 250 mg/kg n-hexane showed A—normal follicular architecture and (6) 500 mg/kg n-hexane showed A—normal follicular architecture. They were using haematoxylin–eosin dye with X 40 magnification