Medical condition, that occurs due to disorder of the kidneys, in which the body is unable to retain enough water, is known as diabetes insipidus. The major symptom of this condition is passing of very diluted urine and extreme thirst of the patients.
One of the functions of the kidneys is to remove excessive fluids from the kidneys. The fluid is maintained at its normal level by increasing or decreasing the amount of urine. For example, if you have perspired a lot, the kidneys would produce lesser amount of urine in order to balance the fluid level in the body. This system is regulated by a hormone produced in the brain called antidiuretic hormone (ADH). Any problem in this system of control of body fluids is called diabetes insipidus.
ADH is produced in the region of the brain called hypothalamus. This is the same gland that controls functions such as appetite and mood swing or stability of mind. ADH is also known as vasopressin and it is released in the bloodstream whenever needed. The reabsorption of excess water into the bloodstream or vice-versa is determined by the release of ADH in the bloodstream. The most common of diabetes insipidus is nephrogenic, which is due to kidneys becoming insensitive to ADH.
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