Mustansiriyah University College of science Biology Dept Biology Diagrams Blood first flows through the adrenal cortex and then drains into the adrenal medulla. Adrenal hormones are released into the circulation via the left and right suprarenal veins. Figure 17.6.1 - Adrenal Glands: Both adrenal glands sit atop the kidneys and are composed of an outer cortex and an inner medulla, all surrounded by a connective
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These two major sections of the adrenal are called the adrenal medulla (inner layer), and the adrenal cortex (outer layer). The Adrenal Medulla: The adrenal medulla comes from the neural crest (i.e. embryological basis similar to your central and peripheral nervous systems). It contains homogenous sheets of cells organized into nests.

17.6 The Adrenal Glands Biology Diagrams
Anatomy . As mentioned, the adrenal glands are two small, roughly triangular glands that sit directly on top of the kidneys. The two major parts of the adrenal gland are the cortex and the medulla. The gland is surrounded by an adipose (fatty) capsule, which acts as a protective barrier.

The adrenal glands consist of the adrenal cortex and medulla, which have distinct, albeit interdependent functional properties. The adrenal cortex contains the zona glomerulosa that produces mineralocorticoids, the zona fasciculata that is the site of glucocorticoid biosynthesis, and the zona reticularis, which is responsible for the production of adrenal androgens. In this chapter, we discuss

Anatomy of the Adrenal Glands: Where are Adrenal Glands and What do ... Biology Diagrams
Adrenal Medulla: The hormones secreted by the adrenal medulla are not essential for the survival. Conclusion. Adrenal cortex and adrenal medulla are two major cell layers of the adrenal gland. The adrenal gland is located on the top of the kidney. Both adrenal cortex and adrenal medulla secrete hormones to regulate the functions of the body.
