is vasopressin a protein or steroid
5.6.1 ADH in the Hypothalamus & Posterior Pituitary. ADH is synthetised in the hypothalamus & is transported to the posterior pituitary. ADH is a nonapeptide produced in the supraoptic and paraventricular nuclei and other areas of the hypothalamus.Its major role is in the regulation of water balance by its effect on the kidneys.ADH is also known as vasopressin because of the vasopressor response to pharmacological doses.Humans and most animals have arginine-vasopressin but pigs have the arginine replaced by a lysine. ADH is produced from a much larger precursor protein (prepropressophysin).DH is a nonapeptide produced in the supraoptic and paraventricular nuclei and other areas of the hypothalamus. Its major role is in the regulation of water balance by its effect on the kidneys. ADH is also known as vasopressin because of the vasopressor response to pharmacological doses.