![]() In addition to osmoreceptor stimulation, volume-sensitive receptors can also trigger ADH release. Conversely, when the plasma osmolality rises above 280 mOsm/kg, the ADH levels increase, resulting in water reabsorption. When the osmolality is below 280 mOsm/kg in a normal individual, the ADH levels will be lower. ![]() Its primary function is to regulate serum osmolarity. Īnti-diuretic hormone (ADH) or vasopressin is important in regulating blood volume and electrolyte levels, especially sodium. Oxytocin is discussed in detail in this article. ![]() ![]() Oxytocin secretion results in a positive feedback loop during childbirth, resulting in increasing contractions. The posterior pituitary is an extension of axonal projections from the supraoptic and paraventricular nuclei of the hypothalamus nervous tissue, where oxytocin and anti-diuretic hormone are stored in the axonal ends or Herring bodies. Posterior Pituitary (neurohypophysis) Hormones ![]()
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