LS of adrenal gland, blue capsule, layered cortex (pale and pink) and light blue medulla. 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. Each gland has an outer cortex which produces steroid hormones and an inner medulla. Light micrograph.