The effect of the teratogen 2-amino-1,3,4-thiadiazole on glycogenesis and glycogenolysis was investigated in the fetal and neonatal rat liver. At day 15, 16, or 17 of gestation (sperm day = day 0) pregnant Sprague-Dawley rats received a single IP injection of an aqueous solution of aminothiadiazole. Dosages used were teratogenic (100 mg/kg maternal body weight) and nonteratogenic (10 mg/kg). At...