Types of Gas Used in Medical Gas Systems in Hospitals. 1  Medical gas systems in hospitals are, in a word, lifesaving. These assemblies supply piped oxygen, nitrous oxide, nitrogen, carbon dioxide, and medical air to hospital areas such as patient rooms, recovery areas, operating rooms, and more.
The definition of a saline is a salt source. An example of a saline is a salt lick used by horses and cows. of, characteristic of, or containing common salt, or sodium chloride.
Medical Definition of equator. 1  1: a circle or circular band dividing the surface of a body into two usually equal and symmetrical parts especially at the place of greatest width the equator of the lens of the eye. 2  2: equatorial plane.