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It is the innermost part of the adrenal gland, consisting of cells that secrete epinephrine (adrenaline), norepinephrine (noradrenaline), and a small amount of dopamine in response to stimulation by sympathetic preganglionic neurons.he adrenal medulla consists of irregularly shaped cells grouped around blood vessels. These cells are intimately connected with the sympathetic division of the autonomic nervous system (ANS).
The adrenal medulla, the inner part of the adrenal gland, helps a person cope with physical and emotional stress. The adrenal medulla secretes the following hormones: Epinephrine (also called adrenaline) .