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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).
1 The adrenal cortexâthe outer part of the glandâproduces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your body respond to stress) and aldosterone (which helps control blood pressure).hey are located on top of each kidney. Their name directly relates to their location (ad ânear or at; renes âkidneys). Each adrenal gland is comprised of two distinct structuresâthe outer part of the adrenal glands is called the adrenal cortex. The inner region is known as the adrenal medulla.