The Effect of Passive Smoking for Different Periods on Histopathological Central Nervous System of Male Mice Mus musculus

Abstract

The research aims to show the histopathological changes caused by passive smoking in the central nervous system tissues. Laboratory animals were offered for (10, 20) weeks for a period of passive smoking (2,4) hours per day. Histopathological examination of brain and spinal cord showed the presence of degeneration and necrotic neurons in the brain tissue and spinal cord in addition to vacuolation and heavy hemorrhage in the brain tissue and congestion of blood vessels of the brain and spinal cord and clarity clot inside the blood vessel of the brain tissue.