Endocrine system - Thyroid Gland 4

Endocrine system - Thyroid Gland 4


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Endocrine system - Thyroid Gland 4
Posted in 2013

How is my thyroid gland controlled?

There has to be some sort of mechanism that regulates very carefully the amount of T4 and T3 secreted by your thyroid gland so that the right - the normal - amounts are manufactured and delivered into the blood stream. The mechanism is very similar to that which regulates the central heating in a house where there is a thermostat in, say, the living room, which is set to a particular temperature and which activates the gas- or oil-fired furnace, or boiler that heats the hot water. In the case of the thyroid the ‘thermostat’ consists of a little gland, called the pituitary gland that lies underneath your brain in your skull. The pituitary senses the level of thyroid hormones in your blood stream, just as the thermostat in your living room senses the temperature. Under normal circumstances, if the level drops just a little below normal, the pituitary reacts by secreting a hormone called the thyroid stimulating hormone, also known as TSH, and this hormone activates the thyroid gland to put out more T4 and T3.
Conversely, when the thyroid hormone levels rise above normal the ‘thermostat’ senses this and the pituitary stops secreting TSH so that the thyroid gland stops working so hard and the secretion of T4 and T3 is reduced.

What causes a thyroid disorder?

There are many different causes of the different thyroid disorders. Most commonly the cause is due to autoimmune thyroid disease - a self-destructive process in which the body’s immune system attacks the thyroid cells as though they were foreign cells. In response the thyroid gland becomes underactive (hypothyroidism) or overactive (hyperthyroidism). You may find that other members of your family have thyroid problems or another autoimmune disorder.

My advise
1...  It is the system which will regulate the activity of various cells or organs
2...  The major glands of endocrine system are the  hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes). The pancreas is also a part of this system; it has a role in hormone production as well as in digestion.
3... These hormones are chemical messengers created by our body
4..  They transfer the messages of various glands to coordinate with one another.
5... We are discussing on reproductive organs how they protect and regulate functions of these organs.  All of you know about reproductive organs
6... Protect this system with your healthy habits, healthy life style, healthy food etc.. to avoid various health problems caused and particularly on reproductive system
7.. Thyroid Gland is important gland situated in the neck.  It plays the role in bone growth up to young age then it plays to protect entire bone system.  In children it plays the role to develop brain cells and nervous system.


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