The so-called endocrine system or include the pineal gland Endocrinology (located on the underside of the brain), the pituitary gland) (on the base of the skull, thyroid, parathyroid, a certain portion of the pancreas, the adrenal glands and gonads (testes and ovary ).

Endocrinology deals specifically with the diagnosis and treatment of specific diseases. Thyroid disorders are for example over-or under-active thyroid. An overactive parathyroid gland expressed depending on the type of disease due to renal colic, increased urination, diarrhea, cardiac arrhythmias, or bloody stools. In one part of the pancreatic hormone insulin is made. If a prior diabetes mellitus, this patient is a deficiency of the hormone Insulin.

The adrenal glands sit on the kidneys, which is why they have received in this way their names. In the adrenal hormone adrenaline is formed. In the gonads of the male, the testes, testosterone is formed, which for the development of typical male characteristics (eg facial hair, voice breaking) is responsible.

The example (in the ovaries of women educated hormones estrogen) cause others a renewed structure of the endometrium after menstruation. A specialist in endocrinology focuses in particular with these disorders and carries out appropriate therapies. Endocrinologists are both working as doctors in the hospital doctors.