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.
Hand Roll. Hand roll is a system of wrapping sushi that is meant to be a single person serving. In this system, instead of making a long tube or cylinder, the rice and the fish are wrapped inside seaweed to make a cone. If you are hungry and do not want to share your sushi, it is better opt for the hand roll.