what horomone regulate adrenal medulla?

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Smooth Operater

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what horomone regulate adrenal medulla? thanks!

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The only one I can think of is ACTH, which results in the production of epinephrine precursors (DOPA and norepinephrine). It also causes the release of cortisol from the cortex which enhances epinephrine synthesis.
 
The adrenal medula releases epi and nor eip in direct response to stimulation from the autonomic ns. This along with the fact that it is derived from the ectoderm (unlike the adrenal cortex which is derived from mesoderm), is why some almost consider it part of the ns.
 
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