Description of Backbone. Backbone: The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The backbone encloses the spinal cord and the fluid surrounding the spinal cord.Also called spine, spinal column, and vertebral column.Source: National Institute of Health. Backbone: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.ackbone: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.
DuPontâ¢ Krytox Â® oils and greases are high-performance perfluorinated lubricants used for a variety of applications. Used where temperatures commonly exceed 250Â°F or fall below 0Â°F.
Krypton is a chemical element with the symbol Kr and atomic number 36. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionating liquefied air, and is often used with other rare gases in fluorescent lamps. Krypton is inert for most practical purposes but it is known to form compounds with fluorine.