using catecholamine ( ca ) fluorescence histochemistry in combination with quantitative microfluorimetry , it has been shown that chronic treatment with triiodothyronine ( t3 ) and thyroxine ( t4 ; 2 x 10 and 2 x 36 micrograms/kg i.p. , respectively , twice daily for 10 days ) , but not acute treatment ( 1 and 3.6 mg/kg i.p. , respectively , 2 h before killing ) , increases ca utilization in the medial and lateral palisade zones of the median eminence and reduces noradrenaline ( na ) utilization in the parvocellular part and magnocellular part of the paraventricular hypothalamic nucleus of the hypophysectomized male rat .
C0007412
ca
C0028351
noradrenaline