The kidneys are a pair of organs on either side of the spine in the lower abdomen. Each kidney is about the size of a fist. Attached to the top of each kidney is an adrenal gland. A mass of fatty tissue and an outer layer of fibrous tissue (Gerota's fascia) enclose the kidneys and adrenal glands.
A roll of duct tape. A roll of duct tape. The definition of a roll is something that's been coiled or twisted into a cylinder. An example of a roll is duct tape.
Rollback is Walmartâs marketing lingo to describe a product where the price has been temporarily reduced (which means you should buy it now, before the price goes back up! Clever, huh?). The name implies the price of the item has been ârolled-backâ to an earlier time before a price increase on the item was instituted.