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trace nutrient

См. также в других словарях:

  • Nutrient — cycle in the oceans A nutrient is a chemical that an organism needs to live and grow or a substance used in an organism s metabolism which must be taken in from its environment.[1] They are used to build and repair tissues, regulate body… …   Wikipedia

  • Trace fossil — Chirotherium footprints in a Triassic sandstone …   Wikipedia

  • nutrient — A constituent of food necessary for normal physiologic function. [L. nutriens, fr. nutrio, to nourish] essential nutrients nutritional substances required for optimal health. These must be in the diet, because they are not formed metabolically… …   Medical dictionary

  • trace element — noun a) A chemical element present in a sample in very small quantities. b) A chemical element in an organism’s diet that is required in very small amounts in order to maintain proper biochemical function; a micronutrient. Syn: micronutrient …   Wiktionary

  • nutrient — n. a substance that must be consumed as part of the diet to provide a source of energy, material for growth, or substances that regulate growth or energy production. Nutrients include carbohydrates, fats, proteins, minerals, and vitamins. See… …   The new mediacal dictionary

  • Essential nutrient — An essential nutrient is a nutrient required for normal body functioning that cannot be synthesized by the body and must be obtained from a dietary source. Some categories of essential nutrients include vitamins, dietary minerals, essential fatty …   Wikipedia

  • Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …   Wikipedia

  • Copper — For other uses, see Copper (disambiguation) …   Wikipedia

  • Group 7 element — Group → 7 ↓ Period 4 25 Mn 5 …   Wikipedia

  • micronutrients — Essential food factors required in only small quantities by the body; e.g., vitamins, trace minerals. SYN: trace nutrient …   Medical dictionary

  • Group 9 element — Group → 4 ↓ Period 4 27 Co 5 …   Wikipedia

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