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Nutritional Physiological Phenomena
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D009747 |
[The processes and properties of living organisms by which they take in and balance the use of nutritive materials for energy, heat production, or building material for the growth, maintenance, or repair of tissues and the nutritive properties of FOOD.
, Biological actions and events that constitute the steps by which living organisms take in and assimilate NUTRIENTS.
, Observable or measurable characteristics of nutrition.
] |
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Nutritional Requirements
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D009751 |
[The amounts of various substances in food needed by an organism to sustain healthy life.
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Nutritional Sciences
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D052756 |
[The study of NUTRITION PROCESSES as well as the components of food, their actions, interaction, and balance in relation to health and disease.
] |
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Nutritional Status
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D009752 |
[State of the body in relation to the consumption and utilization of nutrients.
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Nutritional Support
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D018529 |
[The administration of nutrients for assimilation and utilization by a patient by means other than normal eating. It does not include FLUID THERAPY which normalizes body fluids to restore WATER-ELECTROLYTE BALANCE.
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Nutritional and Metabolic Diseases
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D009750 |
[A collective term for nutritional disorders resulting from poor absorption or nutritional imbalance, and metabolic disorders resulting from defects in biosynthesis (ANABOLISM) or breakdown (CATABOLISM) of endogenous substances.
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Nutritionists
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D064686 |
[Persons specially trained in NUTRITION SCIENCES.
, Persons specially trained and licensed in NUTRITION SCIENCES and DIETETICS.
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Nutritive Sweeteners
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D064427 |
[Any agent that adds not only sweet taste but some energy value to food. They include natural sugars such as SUCROSE; FRUCTOSE; and GALACTOSE; and certain SUGAR ALCOHOLS.
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Nutritive Value
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D009753 |
[An indication of the contribution of a food to the nutrient content of the diet. This value depends on the quantity of a food which is digested and absorbed and the amounts of the essential nutrients (protein, fat, carbohydrate, minerals, vitamins) which it contains. This value can be affected by soil and growing conditions, handling and storage, and processing.
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Nuts
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D009754 |
[Botanically, a type of single-seeded fruit in which the pericarp enclosing the seed is a hard woody shell. In common usage the term is used loosely for any hard, oil-rich kernel. Of those commonly eaten, only hazel, filbert, and chestnut are strictly nuts. Walnuts, pecans, almonds, and coconuts are really drupes. Brazil nuts, pistachios, macadamias, and cashews are really seeds with a hard shell derived from the testa rather than the pericarp.
] |
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Nyctaginaceae
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D039281 |
[A plant genus. The common name of sand verbena is easily confused with the unrelated VERBENA genus.
, A plant family of the order Caryophyllales, subclass Caryophyllidae, class Magnoliopsida.
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Nylidrin
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D009756 |
[A beta-adrenergic agonist. Nylidrin causes peripheral vasodilation, a positive inotropic effect, and increased gastric volume of gastric juice. It is used in the treatment of peripheral vascular disorders and premature labor.
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Nylons
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D009757 |
[Polymers where the main polymer chain comprises recurring amide groups. These compounds are generally formed from combinations of diamines, diacids, and amino acids and yield fibers, sheeting, or extruded forms used in textiles, gels, filters, sutures, contact lenses, and other biomaterials.
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Nymph
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D009758 |
[The immature stage in the life cycle of those orders of insects characterized by gradual metamorphosis, in which the young resemble the imago in general form of body, including compound eyes and external wings; also the 8-legged stage of mites and ticks that follows the first moult.
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Nymphaea
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D030721 |
[A genus of Nymphaea, also called white Egyptian lotus, which should not be confused with the unrelated genus Lotus (LOTUS) or with NELUMBO species which they resemble and are also commonly called lotus.
, A plant genus of the family NYMPHAEACEAE.
] |
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Nymphaeaceae
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D030702 |
[The water lily plant family of aquatic, rhizomatous herbs in the class Magnoliopsida.
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Nyssa
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D031655 |
[A plant genus of the family Nyssaceae. Named for the water nymph from classical mythology, these species grow in moist habitats and are tolerant of flooding.
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Nyssaceae
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D030701 |
[The sour gum family of the order Cornales.
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Nystagmus, Congenital
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D020417 |
[Nystagmus present at birth or caused by lesions sustained in utero or at the time of birth. It is usually pendular, and is associated with ALBINISM and conditions characterized by early loss of central vision. Inheritance patterns may be X-linked, autosomal dominant, or recessive. (Adams et al., Principles of Neurology, 6th ed, p275)
] |
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Nystagmus, Optokinetic
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D017120 |
[Normal nystagmus produced by looking at objects moving across the field of vision.
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