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.
This breed was established in 1907. Colors range from a dark blue-gray to a very light, almost lavender tone. Kittens often have a ring on their tails which fades with maturity. Their eyes take on various shades of green, anywhere from a light apple green to deep emerald or jade hues. Calm, quiet, clean and affectionate, the Russian Blue is an ideal pet even for the apartment dweller. Contact the cat breeders below for your next family friend. Read more on this breed.