Parenteral nutrition

Total parenteral nutrition (TPN), is the practice of feeding a person intravenously, bypassing the usual process of eating and digestion. The person receives nutritional formulas containing salts, glucose, amino acids, lipids and added vitamins.
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Parenteral nutrition. Nutrition supplied intravenously, thus bypassing the patient's digestive tract entirely. [more]Parenteral nutrition - Community and Resources

Intravenous feeding. Same as parenteral alimentation.

A form of nutrition that is delivered into a vein. Parenteral nutrition does not use the digestive system. It may be given to people who are unable to absorb nutrients through the intestinal tract because of vomiting that won't stop, severe diarrhea, or intestinal disease. It may also be given to those undergoing high-dose chemotherapy or radiation and bone marrow transplantation. It is possible to give all of the protein, calories, vitamins and minerals a person needs using parenteral nutrition. Also known as hyperalimentation or total parenteral nutrition (TPN).