what hormones does the adrenal gland secrete

It regulates blood pressure levels and maintains the electrolyte and fluid balance in the body. It also regulates the circadian cycle of humans.Īldosterone: It is produced by the ZG layer. It is responsible for the metabolism of fats, carbohydrates, and proteins preventing inflammation regulating blood pressure levels managing blood sugar levels. Each hormone has a specific function.Ĭortisol: The zona fasciculata secretes the hormone cortisol. The adrenal glands secrete hormones into the bloodstream. The cortex and medulla are surrounded by an adipose capsule protecting the adrenal glands. It is responsible for the production of cortisol. Zona Fasciculata (ZF): It is the layer present between the ZG and the ZR. It also produces estrogen and testosterone. Zona Reticularis (ZR): It is the innermost layer responsible for storing cholesterol needed to synthesize steroid hormones. Zona Glomerulosa (ZG): It is the outermost layer of the cortex and produces the hormones aldosterone and progesterone. The adrenal cortex consists of the following layers: While sex hormones are predominantly produced from the ovaries and testes, the adrenal cortex may also secrete these hormones. The adrenal cortex secretes sex hormones, aldosterone, and cortisol. These responses prepare the body to take action against the stressful factor. These hormones regulate several aspects of the body, which in turn protects the body from harmful stress.įor example, in a tense environment, a person’s heartbeat increases, pupils become dilated, and they may start trembling. The brain stimulates the secretion of these hormones when a person is in a stress-inducing situation.

These hormones as referred to as flight or fright hormones. This region secretes the hormones epinephrine and norepinephrine. The adrenal cortex is the outer region of the gland, while the medulla is the core region. For additional information visit Linking to and Using Content from MedlinePlus.The adrenal glands comprise the adrenal cortex and the adrenal medulla. Any duplication or distribution of the information contained herein is strictly prohibited without authorization. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability.

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What hormones does the adrenal gland secrete