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Doctor insights on: The Adrenal

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Describe the function of the adrenal gland?

Describe the function of the adrenal gland?

Multifunctional: Very briefly, the adrenal gland can be divided between the cortex and medulla. The cortex makes a variety of hormones which control salt balance, cortisol, and androgens. The medulla primarily secretes norepinephrine and epinephrine. Functions of medulla and cortex are completely different as are the way their hormones are made and how they work. ...Read more

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Can you explain the regulation of adrenal cortex function by the way of the pituitary gland stimulation of the adrena?

Can you explain the regulation of adrenal cortex function by the way of the pituitary gland stimulation of the adrena?

Feedforward/feedback: Hi. Hypothalamus important, but to keep it simple, pituitary ACTH stimulates the adrenal cortex to make cortisol. Cortisol negatively feeds back to suppress pituitary ACTH. If cortisol falls or a big stress is encountered, ACTH goes up and stimulates more cortisol production. The pituitary "sees" the increase in cortisol, and cuts back on ACTH to keep cortisol in appropriate range. Diurnal pattern ...Read more

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How are the adrenal gland and the thyroid connected?

How are the adrenal gland and the thyroid connected?

MEN II or Graves dis: In multiple endocrine neoplasia type ii patients can have medullary thyroid cancer and adrenaline secreting tumors. This is a rare familial syndrome. Thyroid hormone excess (graves or hyperthyroidism) makes patients more responsive to their own adrenaline. This why hyperthyroid patients are started on inderal, (propranolol) a beta blocker. ...Read more

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What is the function of the adrenal gland in the body?

What is the function of the adrenal gland in the body?

Endocrine gland: The adrenal glands sit on top of the kidneys and their main function is to make hormones. The adrenal glands make hormones in response to stress (cortisol, epinephrine), hormones that affect kidney function and blood pressure (aldosterone), and sex hormones (androgens). These hormones circulate all around the body to affect the target organs and tissues. ...Read more

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What is a hyperfunctioning adenoma of the adrenal gland?

What is a hyperfunctioning adenoma of the adrenal gland?

Secretory: An adrenal adenoma usually does not produce the usual adrenal hormones (corticosteroids or mineralocorticoids) but if does, it is called hyperfunctioning. ...Read more

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Hypoadrenalism, hypocortisolism and adrenal insufficiency.. Is it the same?

Hypoadrenalism, hypocortisolism and adrenal insufficiency.. Is it the same?

Yes and no: They are often, and incorrectly, used interchangeably. Hypocortisolism is low cortisol, no matter what the cause. Hypoadrenalism is a general term which does not specify which hormone or hormones are low. Adrenal insufficiency means a deficiency in all adrenal hormones, but is incorrectly used to refer to low cortisol levels. Pituitary deficiency can cause low cortisolare you now properly confused. ...Read more

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What is the adrenal medulla?

The central core: The adrenal is actually to glands in one! the outer part (cortex) makes steroid hormones. The central part (medulla) makes Epinephrine and norepinephrine. These are fight or flight hormones that raise pulse and BP instantaneously in response to stress. ...Read more

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Why does the adrenal cortex of adrenal glands enlarge during the summer in females?

Adrenals: This is news to me. I cannot think of any physiologic reason. And any "enlargement" would not be noticeable on a scan. ...Read more

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What hormone is produced by the adrenal cortex?

What hormone is produced by the adrenal cortex?

Rather 3 not 1: In a nutshell: 1- Cortisol, which is cortisone important for several metabolic functions,its release is regulated by the pituitary gland in the brain, 2- Aldosterone, plays a role in controlling blood pressure and balancing salts in circulation, and 3- acts a secondary site for producing Androgens, as testosterone and others, which have several effects on muscle mass and cell growth, ...Read more

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What's the function of the aldosterone hormone?

What's the function of the aldosterone hormone?

Function Aldosterone: 48 F form MI asks what is "function" of aldosterone. Its first function is to keep you from dying of salt depletion. Second it keeps you from dying of high blood potassium. It acts on the kidney to increase salt (Na) retention when your body salt is too low: such as from diarrhea, vomiting, sweating, low alt diet. If you have no aldo you die of salt depletion unless you eat salt by handful. ...Read more

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Will repeated adrenal crisis weaken the adrenal gland?

Will repeated adrenal crisis weaken the adrenal gland?

No: People have an "adrenal crisis" only when the adrenal is already very weakened or absent. The crisis can be dangerous, but will not affect the gland itself. ...Read more

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Does the adrenal gland affect the thyroid gland?

Does the adrenal gland affect the thyroid gland?

No: Both are stimulated by the anterior pituitary (tsh and acth), but don't necessarily affect each other;. ...Read more

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Are the small vessels of the pituitary as susceptible to thrombosis as the vessels of the adrenal glands, or is adrenal insufficiency caused by thrombosis limited to adrenal glands only?

Are the small vessels of the pituitary as susceptible to thrombosis as the vessels of the adrenal glands, or is adrenal insufficiency caused by thrombosis limited to adrenal glands only?

Adrenal hemmorrhage: Adrenal hemorrhage can occur for a variety of reasons, one of which is adrenal vein thrombosis. This usually occurs in complicated settings (cancer, hypercoag states). Hemorrhage can destroy the glands. This does not usually occur in the pituitary. Except for sheehan's syndrome: postpartum pituitary hemorrhage due to shock/bleeding in a susceptible pituitary (enlarged and ready for lactation). ...Read more

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A deficiency in the release of vasopressin (antidiuretic hormone) by the posterior pituitary gland. Why?

A deficiency in the release of vasopressin (antidiuretic hormone) by the posterior pituitary gland. Why?

Possibly infarction: Possibly a tumor or something else. Lack of blood supply to the pituitary gland or a pituitary tumor may change the secretions of adh (vasopressin). However, there are other causes also, such as pregnancy that can cause this area to be infarcted (loss of blood supply). ...Read more

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What is the function of the adrenal gland in human body?

What is the function of the adrenal gland in human body?

Multifunctional: Very briefly, the adrenal gland can be divided between the cortex and medulla. The cortex makes a variety of hormones which control salt balance, cortisol, and androgens. The medulla primarily secretes norepinephrine and epinephrine. Functions of medulla and cortex are completely different as are the way their hormones are made and how they work. ...Read more

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Which organs do the pituitary gland influence?

Which organs do the pituitary gland influence?

Many: Breast, adrenal glands, thyroid glands, ovaries and testes, and kidneys, bones muscles, metabolism of the whole body blood pressure control and others. ...Read more

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Where are the pituitary glands in the body?

Where are the pituitary glands in the body?

Pituitary : It's sit in the center your brain, right behind the nose. You can google pituitary and see actual images to the gland. ...Read more

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What is the function of adrenal glands in adults?

What is the function of adrenal glands in adults?

Multifunctional: Very briefly, the adrenal gland can be divided between the cortex and medulla. The cortex makes a variety of hormones which control salt balance, cortisol, and androgens. The medulla primarily secretes norepinephrine and epinephrine. Functions of medulla and cortex are completely different as are the way their hormones are made and how they work. ...Read more

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What parts of the adrenal gland are controled by the pituitary gland? I read that there are three parts of the adrenal gland.

What parts of the adrenal gland are controled by the pituitary gland? I read that there are three parts of the adrenal gland.

The adrenal: cortex, or outer portion, is mostly controlled by the pituitary, and predominately produces cortisone, aldosterone and some sex hormones. The inner portion, or medulla, is regulated by blood pressure, nervous stimulation, emotions, etc. and produces epinephrine, norepinephrine and some other lesser hormones. ...Read more

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