[The thyroid and adrenal glands in rats chronically exposed to an intense electric field].
Two month-old male Long-Evans rats were exposed for 8 hours a day during 4 weeks to an ambient electric field (50 kV/m). The growth rate of electric field-exposed rats was identical to the controls' one. No significant effect of exposure was observed on the levels of various hormones: plasma and adrenal corticosterone; plasma TSH, ACTH, T3 and T4; adrenal epinephrine and norepinephrine. Histological studies of thyroïd and adrenals showed a normal appearance. In adrenals, the levels of various components and the activities of enzymes which have a role on steroïdogenesis were not modified. It is concluded that, in the present experiment conditions, the daily exposure of the rat to a severe electric field does not affect the normal state of thyroïd and adrenals.
D000311:Adrenal Glands / Q000473:pathology / Q000503:physiopathology*; D000818:Animals; D001835:Body Weight; D004560:Electricity / Q000009:adverse effects*; D006728:Hormones / Q000378:metabolism; D008297:Male; D009929:Organ Size; D051381:Rats; D013961:Thyroid Gland / Q000473:pathology / Q000503:physiopathology*; D013997:Time Factors
D006728:Hormones
Etude de la thyroïde et des surrénales de rats exposés chroniquement à un champ électrique intense.