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Cushing's syndrome is a collection of signs and symptoms due to prolonged exposure to glucocorticoids such as cortisol. [4] [9] [10] Signs and symptoms may include high blood pressure, abdominal obesity but with thin arms and legs, reddish stretch marks, a round red face due to facial plethora, [11] a fat lump between the shoulders, weak muscles, weak bones, acne, and fragile skin that heals ...
The resulting excessive adrenocorticotropic hormone secretion led to the production of large amounts of cortisol by the adrenal glands. Considering this impact, the name of Itsenko was added to the title in some East European and Asian countries, and the disease is called Itsenko-Kushing disease. [citation needed]
Conversely, chronically elevated ACTH levels occur in primary adrenal insufficiency (e.g. Addison's disease) when adrenal gland production of cortisol is chronically deficient. In Cushing's disease, a pituitary tumor leads to excessive production of ACTH, which stimulates the adrenal cortex to produce high levels of cortisol.
The adrenal glands produce important hormones that have specific roles in the homeostasis of the body, which are regulated by other glands. These hormones include aldosterone, a mineralocorticoid that regulates the amount of salt in tissue and body fluids, cortisol, a glucocorticoid that regulates metabolism and usage of macronutrients in the body, and sex hormones, such as androgens and ...
Cortex means "the outer layer"—a reference to the adrenal cortex, the part of the adrenal gland where cortisol is produced. [110] While the adrenal cortex in humans also produces aldosterone in the zona glomerulosa and some sex hormones in the zona reticularis, cortisol is its main secretion in humans and several other species. [108]
Therefore, the zona fasciculata makes more 11-deoxycorticosterone, corticosterone, and cortisol. [9] The major hormone that stimulates cortisol secretion in humans is the ACTH that is released from the anterior pituitary. [8] It has been shown that the steroidogenic capacity of the zona fasciculata increases during illness in infants. [8]
Hypercortisolemia with prolonged or excessive use (also known as, exogenous Cushing's syndrome) Impaired memory and attention deficits [50] See steroid dementia syndrome. Adrenal insufficiency (if used for long time and stopped suddenly without a taper) Muscle and tendon breakdown (proteolysis), weakness, reduced muscle mass and repair [51] [31]
A lack of cortisol can result in a condition called adrenal insufficiency, which can cause symptoms such as fatigue, weight loss, low blood pressure, nausea, vomiting, and abdominal pain. Adrenal insufficiency can also impair the ability of the host to cope with stress and infections, as cortisol helps to mobilize energy sources, increase heart ...