nasogastric intubation. the flexible tube with a rounded end is passed through the nasal cavity to the stomach; the technique requires expert knowledge and care to avoid damage to the nasal conchae and mucosa and to avoid passing medicines or feed into the lungs.he flexible tube with a rounded end is passed through the nasal cavity to the stomach; the technique requires expert knowledge and care to avoid damage to the nasal conchae and mucosa and to avoid passing medicines or feed into the lungs.
â¢ ISM (noun). The noun ISM has 1 sense: 1. a belief (or system of beliefs) accepted as authoritative by some group or school. Familiarity information: ISM used as a noun is very rare.irondism (the doctrine of the Girondists). functionalism (any doctrine that stresses utility or purpose). formalism (the doctrine that formal structure rather than content is what should be represented). expansionism (the doctrine of expanding the territory or the economic influence of a country).
The industrial, scientific and medical (ISM) radio bands are radio bands (portions of the radio spectrum) reserved internationally for the use of radio frequency (RF) energy for industrial, scientific and medical purposes other than telecommunications.SM uses [edit]. For many people, the most commonly encountered ISM device is the home microwave oven operating at 2.45 GHz; however, many different kinds of ISM devices exist, which are predominantly found outside dwellings. Many industrial settings may use ISM devices in plastic welding processes.