Ontogenic Variation of Dopamine and Norepinephrine in the Adrenal Medulla of Developing Rat. A Study by Mass Fragmentography
The unique evolution of the mammalian adrenal gland as two concentric organs has inspired many studies to elucidate the possible relations between cortex and medulla. It has been demonstrated that the mass of medullary chromaffin cells, medullary proteins and medullary hormones depends on Cortisol or corticosterone in the arterial blood of the medulla (1). On the other hand, it has been established that phenylethanol-amine-N-methyl transferase (PNMT) is induced by the glucocorticoid hormones synthesized by the cortex (1).
KeywordsHydroxyl Dopamine Corticosteroid Helium Cortisol
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