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.
Best Answer: PU leather is leather from the inner hide of the animal (usually a cow) because it's not the outer layer it has to be waterproofed with a polymer. So it is a real leather jacket, but like leather from a sun-burned cow that's peeled and you got the next layer down. On top of the PU leather is a finishing surface to give an external aspect like upper-layer leather. The inner layer gives the strength and suppleness, the outer layer gives the finish. It's the same leather that's used in most mid-range leather furniture. Hope that helps.