fig7
Figure 7. Morphology of three different areas of the rat brain upon exposure the Macrovipera lebetina obtusa venom at 1.0 LD50, 1.5 LD50, and 2.5 LD50, 2 h after injection. Microglial cells activity is markedly elevated and similar only to higher dose 2.5 LD50 and long period 2 h as well