Neomycin and Framycetin are not absorbed from the gastrointestinal tract and are thus found in many topical medications such as creams, ointments and eyedrops. They can also be used for gastrointestinal infections.
radio chassis - a chassis for a radio receiver 3. chassis - the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor automotive vehicle, motor vehicle - a self-propelled wheeled vehicle that does not run on rails
Noun[edit] backbone â(plural backbones) 1  The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.  Any fundamental support, structure, or infrastructure.