نرگسی, ساناز

[ 1 ] - بررسی اثر افزایش مدت زمان تاریکی چرخه روشنایی– تاریکی بر سطح سرمی T3، T4 و TSH در موش صحرایی نر

 Background and Objective: Studies have shown that alteration in photoperiod influences secretion of many hormones. The aim of this study was to investigate the effect of different periods of darkness on serum level of T3, T4 and TSH in male rats.   Materials and Methods: In this experimental study, 30 male Wistar rats were randomly divided into control group (exposed to 12 h light-12 ...