Vasopressin (Antidiuretic Hormone). Vasopressin (arginine vasopressin, AVP; antidiuretic hormone, ADH) is a peptide hormone formed in the hypothalamus, then transported via axons to, and released from, the posterior pituitary into the blood. AVP has two principle sites of action: the kidney and blood vessels.
The Face That Launched 1,000 Awws. Like a tiny feline fashion model, this Persian kitten seems to know how to tilt her head just so. And wow, her eyes are stunning. It's no wonder that the Persian is one of the most popular cat breeds in the United States, according to the Cat Fanciers' Association.
Iâm whatâs known as the best of both worlds â a purrfect combination of two very popular cat breeds, the Persian and the Siamese. And thatâs both for my looks and my personality, which strikes the ideal balance between the Persianâs gentle nature and the Siameseâs affectionate playfulness.