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 Siberian cat is very exotic, but itâs kittens are adorable. A cat with a big personality and a big popularity in many parts of the world, their kittens are a big part of the reason that so many people adore this breed.
Popular fish breeds. Whether you're in the market to adopt a super cute fish, or you think you might want a fish but want to do some breed research first, you've come to the right place. Below are the Top 100 Fish breeds on Cuteness.com. Check back often because these fishies change all the time. animal breeds.