1 Bladder -- An infection in the bladder is also called cystitis or a bladder infection. 2  Kidneys -- An infection of one or both kidneys is called pyelonephritis or a kidney infection.  Ureters -- The tubes that take urine from each kidney to the bladder are rarely the only site of infection.
Top 10 facts about the world. Nubuck is a type of leather with a soft, velvety surface and is some of the most expensive leather to purchase. Unlike the less expensive suede, this type of leather is far more durable and is excellent for use on items like furniture because it will last much longer than suede.
Top Grain. Top-grain leather means leather that has been made from the top or outermost layer of cowhide. Full-grain leather is a top-grain leather that shows all its natural grain and is the most natural. If labeled as top-grain but not full-grain, the leather may be sanded or buffed out to reduce blemishes. It is not as processed as some other forms of leather, however. Top-grain leather is soft and shows natural character.