In Vitro and In Vivo Toxicological Evaluation of Avicennia africana P: Beauv. (Avicenniaceae) Leaf Extract in a Rat Model

Figure 5

Effect of AAE on histological features of the splenic tissues, C: control, L: 100 mgkg^-1, M: 300 mgkg^-1, and H: 1000 mgkg^-1. WP- lymphoid follicles of white pulp, RP- vascular matrix of red pulp, and TV-trabecula vein. The photomicrographs (H&E, x400) of the spleen tissues represent the general appearance observed in the rats treated with AAE and the control group.