Mineralocorticoid facts for kids

Mineralocorticoids are special types of hormones made by your body. They are produced in a part of your adrenal glands called the adrenal cortex. Think of hormones as chemical messengers that tell different parts of your body what to do. Mineralocorticoids are super important because they help control the balance of salt and water in your body.

What are Mineralocorticoids?

Mineralocorticoids are a group of corticosteroids. These are steroid hormones that come from the adrenal glands. They play a key role in keeping your body's internal environment stable. This is called homeostasis.

Where are they Made?

Your two adrenal glands sit on top of your kidneys. Each gland has two main parts: the outer part, called the adrenal cortex, and the inner part, called the adrenal medulla. Mineralocorticoids are made only in the adrenal cortex.

What do they Do?

The main job of mineralocorticoids is to manage the levels of salt (especially sodium) and water in your body. They also help control the amount of potassium. This balance is known as electrolyte balance and fluid balance.

How do they Work?

Mineralocorticoids act mainly on your kidneys. They tell the kidneys to either keep more sodium and water in your body or to let more of it go out in your urine. This helps to control your blood pressure and the total amount of fluid in your body.

Aldosterone: The Main Mineralocorticoid

The most important mineralocorticoid is called aldosterone. Aldosterone is like the boss of salt and water balance. When your body needs to hold onto more salt and water, aldosterone levels go up. This helps to keep your blood pressure from dropping too low. If you have too much salt and water, aldosterone levels go down, and your kidneys get rid of the extra.

Why are Mineralocorticoids Important?

Having the right balance of mineralocorticoids is vital for your health.

• They help keep your blood pressure at a healthy level.
• They ensure your body has enough water to function properly.
• They maintain the correct balance of electrolytes, which are needed for your nerves and muscles to work well.

If your body makes too much or too little of these hormones, it can lead to health problems. For example, too much aldosterone can cause high blood pressure. Too little can lead to low blood pressure and dehydration.

See also

In Spanish: Mineralocorticoide para niños