background and objectives: study of deleterious effect of neurotoxins on the animals' brain is a fascinating research plan. in this project, the damage effect of colchicine on the hippocampal cornu ammonis 1 (ca1) was examined by the studying the hippocampal tissue. materials and methods: injections of colchicine (1-75 μg/rat, intra- hippocampal ca1) were performed in cannulated male wistar rat...