Abbreviation for nicotinamide adenine dinucleotide.
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neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotinic acid dehydrogenase; no abnormal discovery; no active disease; no acute distress; no apparent distress; no appreciable disease; normal axis deviation; not done; nothing abnormal detected
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NAD abbr no appreciable disease
NAD .en-.ā-'dē n a coenzyme C21H27N7O14P2 of numerous dehydrogenases that occurs in most cells and plays an important role in all phases of intermediary metabolism as an oxidizing agent or when in the reduced form as a reducing agent for various metabolites called also diphosphopyridine nucleotide, DPN, nicotinamide adenine dinucleotide
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a coenzyme that acts as a hydrogen acceptor in oxidation-reduction reactions, particularly in the electron transport chain in cellular respiration. NAD and the closely related coenzyme NADP (nicotinamide adenine dinucleotide phosphate) are derived from nicotinic acid; they are reduced to NADH and NADPH, respectively.
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nicotinamide adenine dinucleotide; no appreciable disease.Medical dictionary. 2011.