BRYSON BIOMEDICAL ILLUSTRATIONS / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY BRYSON BIOMEDICAL ILLUSTRATIONS / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Hormone feedback mechanism. Artwork of the regulation of antidiuretic hormone (ADH). The yellow spheres represent ADH, and the pink spheres are receptors. ADH is secreted by the pituitary gland (expanded upper left), which is situated on and controlled by the hypothalamus gland. ADH concentrations are detected by the kidneys (bottom centre), thus regulating the concentration of body fluids. ADH release is determined by three factors: osmoreceptors (concentration) in the hypothalamus, stretch receptors in the heart's atrium (centre) and baroreceptors (blood pressure) in the carotid sinus (upper centre).
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