parenteral nutrition
Medical term for providing nutrition intravenously or via routes other than the digestive tract.
Patients who cannot use their digestive tract require parenteral nutrition.
Oral/enteral nutrition via the digestive tract, as opposed to parenteral routes.
Tube feeding, a form of enteral nutrition, distinct from intravenous parenteral nutrition.
Compound of 非 (non-), 経口 (oral), and 栄養 (nutrition), literally 'non-oral nutrition'. A modern medical term.