An osmoreceptor is said to be a sensory receptor generally found in the hypothalamus which is capable of detecting any changes in osmotic pressure.
An increase in the body fluid volume can switch off the osmoreceptors present in the body which can suppress the release of ADH from the neurohypophysis.
Antidiuretic hormone (ADH) is also known as Vasopressin.
It is a naturally occurring hormone which helps in controlling various physical processes & several life-threatening conditions, including bleeding abnormalities and septic shocks.
Low level of antidiuretic hormone in blood cells results in:
Diabetes insipidus.
Primary polydipsia.
Damage to hypothalamus or pituitary gland.
Lot of water is excreted by kidneys, which then increases urine volume and lowers blood pressure.