Effects of venoms of the snake Naja Nigricollis and of the scorpion Buthus Quinquestriatus on the heart of the frog

ABSTRACT

Snake venom reduced the parasympathetic response through the medulla oblongata and neutralized the action of nicotine sulphate at he ganglionic level. There was a sympathomimetic effect on the heart through the beta Receptors following the injection of atropine sulphate and snake venom. Scorpion venom caused ganglionic, medullary and peripheral inhibition