noun
parenteral nutrition
Medical term for providing nutrition intravenously or via routes other than the digestive tract.
消化管が使えない患者には非経口栄養が必要です。
Patients who cannot use their digestive tract require parenteral nutrition.
Compound of 非 (non-), 経口 (oral), and 栄養 (nutrition), literally 'non-oral nutrition'. A modern medical term.