journal of kerbala university

This study was carried out in department of Biology of Karbala university and in Laboratory of Histopathology in AL- Hussein hospital during the period from 5/1/2011 to 15/8/2012. Twenty adult male of Newzealand rabbits (10-12) months old and weighting (2.85 -3.01) kg .The rabbit were divided into two equal group,10 rabbit for winter sample and 10 rabbit for summer sample .The temperature and humidityin winter season respectively (12c, 70%) They were measured by system measuring thermometer and hydrometer month in January and February.In summer the temperature and humidity(50c, 10%)were respectively. In Histological study of Adrenal gland notice might to moderate congestion, Hemorrhage &necrosis inZonaReticularis and odema of adrenal cortex in winter and summer season.