Endocrine System

Parathyroid hormone (PTH) raises calcium levels in the blood when it's sensed that calcium levels are a bit lower than they ought to be. 99% of your body's calcium in the bones, so it stands to reason that PTH acts on bone to have it release calcium into the bloodstream. Indeed, this is exactly how the hormone works.

A detailed mechanism for how this occurs is given in:

http://en.wikipedia.org/wiki/Parathyroid_hormone

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Two endocrine glands are the hypothalamus gland and the Thyroid. The hypothalamus gland is located in the center area of the brain. It's functions are to stimulate and inhibit the release and secretion of the anterior pituitary gland. The thyroid gland is located around the esophageal area and it's functions are to release thyroxine and triiodothyronine, also know as t4 and t3 and calcitonin. The release of these hormones stimulate the energy metabolism of all cell and inhibits the breakdown of bone; causing a decrease in blood calcium concentraion.

The Thryroid Gland secrets Thyoxine and it targets all tissues and its action is to increase metabolic rate, regulars growth and development.

The articular capsules are found in joints. They contain liquid which lubricates the joints (synovial fluid).

The main endocrine glands of the endocrine system include the pituitary gland, the pancreas, the ovaries, the testes, the thyroid glands and the adrenal glands.

the hypothalamus, pituitary, thyroid, parathyroid, thymus, pancreas, adrenal gland (adrenal cortex and medulla), male testes and female ovaries.

Adrenaline is produced by the adrenal glands.

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The adrenal glands produce steroid hormones such as testosterone, aldosterone, and cortisol. The medulla is the interior portion of the adrenal glands and it produces epinephrine and norepinephrine.

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Thyroid stimulating hormone, or TSH, stimulates the production of triiodothyronine and thyroxine. TSH comes from the pituitary gland.

Both are produced in the anterior pituitary.

Thyroid Stimulating Hormone

Progesterone

They are endocrine glands. Hormones are produced by those only

Hormones are chemical substances secreted by endocrine glands

The ovaries secrete progesterone and Oestrogen, the testes secrete testosterone and oestrogen. These are known as androgenic hormones.

It was China that began the earliest study of endocrinology. It was Thomas Addison an English physician who is father of endocrinology. His work laid the foundation for modern endocrinology.

A gland that secretes a substance out through a duct.These salivary glands, sweat glands are exocrine gland.

The normal TSH value is between 0.5 to 5.0. A reading of 6.11 suggests you are close to hypothyroidism, or having an underactive thyroid, and don't have enough thyroid hormone circulating in your body. Your doctor will likely place you on a thyroid medication.

Castration, removal or destruction of the testes, has a drastic effect of endocrine functions, as the testes are major sites of hormone production. As a vasectomy leaves the testes in tact, there is no effect on the endocrine system. Both methods prevent reproduction.

Your adrenal glands are important to your body in times of trouble like when you're sick or under stress.

The ovaries are part of the woman's reproductive system that produce the estrogen hormone, which is produced in three varieties, and the progesterone hormone.

The parathyroid glands are on the thyroid.