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parenteral nutrition (puh-REN-teh-rul noo-TRIH-shun)

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 called hyperalimentation, total parenteral nutrition, and TPN.

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