Eosinophil Cell Reaction in Male and Female Rats During Adaptation to High Altitude

Krista Kostial ¹, Ivan imonovi ¹, and Vera Häusler ¹

¹ From the Institute for Medical Research, Yugoslav Academy of Sciences and Arts, and the Department of Internal Medicine, Faculty of Medicine, University of Zagreb, Zagreb, Yugoslavia

Male and female albino rats were exposed to a simulated altitude of 31,600 feet for 30 minutes daily. According to the eosinophil cell reaction female rats became adapted to hypoxia more rapidly than male animals. Moreover, the acquired adaptation was retained much longer by females.