Abbreviations

Abbreviations




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P

P

Phosphorus, a chemical element with symbol P and atomic number 15. Phosphorus is essential for life. Phosphates (compounds containing the phosphate ion, PO4−3) are a component of DNA, RNA, ATP, and also the phospholipids, which form all cell membranes. Demonstrating the link between phosphorus and life, elemental phosphorus was first isolated from human urine, and bone ash was an important early phosphate source.

Source: Wikipedia

PN

Parenteral nutrition: feeding a person intravenously, bypassing the usual process of eating and digestion. The person receives nutritional formulae that contain nutrients such as glucose, amino acids, lipids and added vitamins and dietary minerals. It is called total parenteral nutrition (TPN) or total nutrient admixture (TNA) when no significant nutrition is obtained by other routes. It may be called peripheral parenteral nutrition (PPN) when administered through vein access in a limb, rather than through a central vein.

Source: Wikipedia

PRI

Population Reference Intake : Same as RDA