Chemistry

Hormones

Hormones


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Hormones Overview

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Hormones and their function (part I)
Name of the hormoneEducational institutionfunction
adrenocorticotropic hormone (ACTH)Anterior pituitary glandACTH is a small peptide hormone that stimulates the formation and release of cortisol in the adrenal cortex, among other things.
Adiuretin, antidiuretic hormone (ADH), vasopressinHypothalamusAdiuretin is synthesized in the hypothalamus and stored in the posterior lobe of the pituitary gland or from there released directly into the bloodstream. This hormone mainly regulates the osmotic pressure and thus the water balance in the organism. It also promotes the concentration of primary urine (especially at night).
Adrenaline and noradrenalineAdrenal medulla, nerve cellsAdrenaline and noradrenaline are stress hormones that are released into the blood in dangerous situations. They mobilize the energy reserves of the organism in a flash ("flight or fight"), while body functions that are not acutely needed, such as digestion, are temporarily inhibited. Adrenaline increases the heart rate and blood pressure, while the breakdown of fat and glycogen and the release of glucose are promoted. The muscles are better supplied with blood. Norepinephrine has one less methyl group compared to epinephrine. It therefore has different molecular properties and does not, for example, have a relaxing effect on the β-adrenoreceptors of the bronchial muscles.