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Aldosterone, the main mineralocorticoid hormone, is a steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland. It is essential for sodium conservation in the kidney, salivary glands, sweat glands and colon.
The adrenal cortex makes up a large part of your adrenal gland. It consists of three layers: zona glomerulosa, zona fasciculata and zona reticularis. Each layer produces different hormones that regulate vital organ functions and bodily processes.
The adrenal gland consists of an outer cortex of glandular tissue and an inner medulla of nervous tissue. The cortex itself is divided into three zones: the zona glomerulosa, the zona fasciculata, and the zona reticularis. Each region secretes its own set of hormones.
The adrenal gland consists of an outer cortex of glandular tissue and an inner medulla of nervous tissue. The cortex itself is divided into three zones: the zona glomerulosa, the zona fasciculata, and the zona reticularis. Each region secretes its own set of hormones.
Hormones of Adrenal Cortex. Different layers of the adrenal cortex produce different hormones and perform different functions. The hormones produced by the adrenal cortex are: Mineralocorticoids: It is a family of hormones produced in the zona glomerulosa. The chief hormone produced is aldosterone.
The major secretions of the adrenal cortex (Box 4.2) are cortisol (the main member of the glucocorticoid family in humans), aldosterone (a mineralocorticoid), and the ‘weak’ androgens androstenedione and dehydroepiandrostenedione (DHEA).
Each adrenal gland is composed of two distinct parts: the outer part called the ‘adrenal cortex’ and the inner part called the ‘adrenal medulla’. The adrenal glands secrete different hormones which act as 'chemical messengers'.
The adrenal gland consists of an outer cortex of glandular tissue and an inner medulla of nervous tissue. The cortex itself is divided into three zones: the zona glomerulosa, the zona fasciculata, and the zona reticularis. Each region secretes its own set of hormones.
The most superficial region of the adrenal cortex is the zona glomerulosa, which produces a group of hormones collectively referred to as mineralocorticoids because of their effect on body minerals, especially sodium and potassium. These hormones are essential for fluid and electrolyte balance.
Hormone synthesis. Adrenal steroid pathways. The precursor of steroids synthesized in the adrenal cortex is cholesterol that is stored in vesicles.