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.
Top 15 Lovely-looking Striped Breeds of Cat in the World. Tigers and Zebras are the most popular striped animals in the world. If you are a cat lover, I am sure you are aware that there are breeds of cat that are striped. Here are the most beautiful and remarkable striped cat breeds in the world.