A form of nutrition that is delivered into a vein. TPN 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 ... Found on http://www.cancer.gov/dictionary?expand=T
Synonym for total parenteral nutrition ... <pharmacology> Intravenous feeding that provides patients with all essential nutrients when they are unable to feed themselves. ... Acronym: TPN ... (12 Jan 1998) ... Found on http://www.encyclo.co.uk/local/20973
TPN: Total parenteral nutrition, intravenous feeding that provides a patient with all of the fluid and the essential nutrients when they are unable to feed themselves by mouth. Found on http://www.medterms.com/script/main/art.asp?articlekey=19345