Adrenal gland
Videos
The adrenal 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 cor
Adrenal glands, anterior (left) and posterior (right) surface
Section of human adrenal gland under the microscope, showing its different layers. From the surface to the center: zona glomerulosa, zona fasciculata, zona reticularis, medulla. In the medulla, the central adrenomedullary vein is visible.
Different hormones are produced in different zones of the cortex and medulla of the gland. Light microscopy at magnification × 204.
Characteristic skin hyperpigmentation in Addison's disease
Adrenal medulla
Videos
The adrenal medulla is the inner part of the adrenal gland. It is located at the center of the gland, being surrounded by the adrenal cortex. It is the innermost part of the adrenal gland, consisting
Adrenal gland
…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. The adrenal cortex itself is divided into three main zones: the zona glomerulosa, the zona fasciculata and the zona reticularis. The adrenal cortex…
Adrenal medulla (on the pointer) stains lighter than the adrenal cortex, H&E stain