[L. nutritio, feeding]
1. The ingestion and utilization of food by which growth, repair, and maintenance of activities in the body are accomplished. The body is able to store some nutrients (glycogen, calcium, iron) for times when food intake is insufficient. Vitamin C is an example of a nutrient that is not stored.
SEE: total parenteral nutrition
2. The professional discipline that includes both the scientific study and the practical use of nutrients in health.
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