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The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys and consist of a series of layers with different structure and functions.ach gland has an outer cortex which produces steroid hormones and an inner medulla. The adrenal cortex itself is divided into three zones: zona glomerulosa, the zona fasciculata and the zona reticularis. The adrenal cortex produces a class of steroid hormones called corticosteroids, named according to their effects.
Endocrine glands, such as the adrenal glands, directly influence the body by secreting into the blood, rather than through an intermediary, such as a glandular duct.The adrenal glands are composed of two major components: the adrenal medulla and the adrenal cortex.Other People Are Reading.ndocrine glands, such as the adrenal glands, directly influence the body by secreting into the blood, rather than through an intermediary, such as a glandular duct.The adrenal glands are composed of two major components: the adrenal medulla and the adrenal cortex. Other People Are Reading.