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.
Here are ten popular pet bunny breeds. 1. Mini Rex â Rabbit breeders created the Mini Rex through mixing the Netherland Dwarf with the Standard Rex. They are intelligent, energetic and naturally curious and cuddly. 2. Thrianta â Still a comparatively new breed, Thrianta (pronounced tree-an-ta) are attention lovers.