The [adrenal medulla]? ([zona glomerulosa]?) is part of the sympathetic nervous system. It secretes hormones into the blood - adrenaline (epinephrine) and noradrenaline? (norepinephrine?).
The [adrenal cortex]? ([zona fasciculata]?) is a [endocrine gland]? activated by [adrenocorticotrophic hormone]? sent out from the anterior lobe of the [pituitary gland]?. It secretes hormones, called steroid?s - glucocorticoids?, mineralocorticoids? and androgens?.
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