Table 5.
Scoring of the histopathological alterations in brain and spleen sections of rats of different treated groups
| Lesions | Treatments | |||
|---|---|---|---|---|
| C | EEP | HS | EEP +HS | |
| Brain tissue | ||||
| Meningeal cellular proliferation | -- | -- | +++ | + |
| Neuronal degeneration | -- | -- | ++ | + |
| Focal gliosis | -- | -- | ++ | -- |
| Congested blood vessels | -- | -- | ++ | -- |
| Submeningeal hemorrhage | -- | -- | + | -- |
| Spleen tissue | ||||
| Activated lymphoid follicles | -- | + | -- | -- |
| Congested blood vessels | -- | -- | ++ | + |
| Lymphocytic depletion | -- | -- | ++ | -- |
| Hemosiderosis | -- | -- | +++ | + |
C: Control; EEP: ethanolic extract of propolis; HS: heat stress
+++ : Severe histopathological alteration
++ : Moderate histopathological alteration
+ : Mild histopathological alteration
-- : Nil histopathological alteration