Hormone - Definition


A hormone is a molecule that helps transmit chemical messages. It is secreted by an endocrine gland following stimulation. It is distributed to the body organs on which it acts, mainly through the bloodstream. The action of these hormones on the target organ can be a stimulation of its functions, or rather an inhibition. Hormones are predominant factors in the regulation of body functions by providing balance. These include for example insulin which enables the regulation of blood sugar in the blood, or antidiuretic hormone ADH acting on the kidney and blood vessels that can control the regulation of the amount of water to the organism, growth hormone involved in the development ...
Original article published by Jeff. Translated by Jeff. Latest update on December 3, 2013 at 11:56 AM by Jeff.
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