What are the T3 and T4?

T3 and T4 are references to two very important hormones that reduced by the thyroid gland to regulate the body's metabolism produced.

If you have a thyroid condition, you may have seen T3 and T4 scratched in the notes on the map of laboratory or your doctor that you submit when you want to get your blood. You can reject hormones and why they are important more about what this.

Thyroid hormones

The thyroid gland is a small gland on the front of the neck.

Taking iodine is part of the normal diet, the gland produces what is called the thyroid hormones. While often used in tense singular, the thyroid hormone is in fact two separate hormones: T3 and T4.

T4

Thyroxine T4 is called because it contains four iodine atoms.

He led into the blood stream in two forms - proteins that prevent the body parts, which require no; thyroid hormones and "Free T4" (FT4) connected input directly targeted help tissue around the metabolic functions.

T3

T3 is a shortcut menu name Dimeric.

T3 T4 is converted into a more useful form in the liver and other tissues as the brain is indeed. While this process he loses one of its iodine atoms, that is, why it is called T3.

T4 and the TSH

The amount of T4 in the body depends on a hormone (TSH), released by the pituitary gland in the brain stimulation of the thyroid gland.

If the pituitary gland is believes that there is not enough T4 circulate in the bloodstream, it encourage thyroid to sagenStamm TSH, to work harder.

T3 and T4 levels

A person, a healthy Stoffwechs

El having T3 and T4 has prices within the limits of normal. However, levels can indicate Normalveaux T4 and the TSH that a patient is suffering a low functioning of the thyroid gland. Low TSH levels and high T3 indicate a patient one can similarly thyroid may.