The corticosteroids are all synthesised from cholesterol, and have similar chemical formulas. The cortex secretes an entirely different type of hormone – corticosteroids.These two hormones cause almost the exact same effects on body tissues as direct sympathetic stimulation itself does.The medulla – is directly connected to the sympathetic nervous system, and will secrete adrenaline and noradrenaline in response to sympathetic stimulation.They weight about 4g, and have a medulla and a cortex, like the kidneys themselves. The adrenal glands are also sometimes known as suprarenal glands.For more information on mechanisms of blood pressure regulation, secretion of ions, and other effects related to the action of mineralocorticoids, please see the control of renal function. This article looks at adrenal physiology and explains the production and effects of adrenal products.
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