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.
Cat Coloring Pages. Cat coloring pages are fun to decorate, but they can also teach kids about cat breeds, including wild cats. These cute cat coloring pages will inspire the artist and cat lover in your child. From images of a kitty cat in a window to interesting facts sheets on breeds such as the Norwegian Forest Cat, these pages offer art and learning opportunities around a fun theme.