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.
No matter what kinds of kittens make you aw the most, there's sure to be a picture of kittens you think are the most adorable here! Many of these kitten breeds are in fact crossbreeds of domestic cats and wild cats. However, a great deal of the most adorable breeds of cats are not hybrids in the slightest.