N (Avogadro's Number) n (nano-) N- Acetyl Serine N- Acetylglucosamine N- Formylmethionine (fMet) N- Linked Oligosaccharide N Nucleotide N Terminal N- Terminal N- Terminus N Terminus or N Terminal (Amino Terminus) n! n.m.j (Neuromuscular Junction N2 (Molecular Nitrogen) N2O (Nitrous Oxide) N95 Respirator (Face Mask) Na (Sodium) Na+,k+-ATPase (Na+,k+-Pump) NAA NAA (Naphthalene Acetic Acid) NaCl (Sodium Chloride) Nacricibudia NAD (Nicotinamide Adenine Dinucleotid) NAD / NADH NAD Kinase NAD or NAD+ (Nicotinamide Adenine Dinucleotide) NAD Synthase NADH (Nicotinamide-Adenine Dinucleotide or Reduced Nicotinamide Adenine Dinucleotide) NADH Dehydrogenase NADH Oxidase NADH Peroxidase NADH- Quinone Oxidoreductase (ComplexI) NADH  (Reduced form of NAD+) NADP (Nicotinamide Adenine Dinucleotide Phosphate) NADP (Nicotinmide Adenine Dinucleotide Phosphate) NADP / NADPH NADP- Dependent malic enzyme NADP+ NADP+ (Nicotine Adenine Dinucleotide Phosphate) NADPH (Nicotinamide-Adenine Dinucleotide Phosphate) NADPH (Reduced form of NADP+) NADPH Dehydrogenase (OYE) NADPH-Cytochrome P450 Reductase NADPTranshydrogenase NaF (Sodium Fluoride) NAG (N-Acetylglucosamine) NAG (N-Acetylglucosamine) Naive Naive Lymphocytes Nalidixic Acid Naloxone Naloxone Naloxone NAM (N-Acetylmuramic Acid) NAM (N-Acetylmuramic Acid) NANA (N- Acetylneuraminic Acid) Nano- Nano (10-9) Nano Biology Nano Capsules Nano Cephalia Nano Cormia Nano Drug Nano Electronics Nano Fat Transfer (Micro Fat Transfer) Nano Gram (ng) Nano Gramm (ng) Nano Material Nano Medicine Nano Meter (millimicron; milli u) Nano Mole (nmole) Nano Moles Nano Particle Nano Plankton Nano Pore Sequencing Nano Pore Sequencing Ligation Nano Products Nano Scale Nano Scale Synthesis Nano Scale Technology Nano Science (Nanoscience) Nano Second (ns, 10−9 s) Nano SIMS (Nano Secondary Ion Mass Spectrometry or Nano Scale Secondary Ion Mass Spectrometer) Nano Soma (Dwarfism) Nano Some (Dwarf) Nano- Structured Materials Nano Technology Nano Technology Green- Nano Technology Molecular- Nano Tubes Carbon- Nanobots (Nanorobots; Nanomachines) Nanocrystals Nanoelectronics Nanogram Nanogram (ng) Nanoid Nanoliter (nl, One Billionth of a Liter, 10-9 L) Nanomachine / Molecular Machine Nanomaterials Nanomaterials (2) Nanomechanical Nanomedicine Nanomedicine (Nano Medicine) Nanomedicine Examples (Nono Medicine Examples) Nanomelus Nanometer (nm, One Billionth of a Meter, 10−9 m) Nanomolar (nm or nm) Nanomole Nanomole (nmol) Nanoparticles Nanoparticles Nanoparticles Nanoparticulate Nanoplankton Nanoplanktons Nanopore Nanopore DNA Nanopore DNA Sequencing Nanopore Sequencing Nanopores Nanoscale Nanosecond (ns, One Billionth of a Second, 10-9s) Nanosensors Nano-SIMS Nanostructure Nanostructure Nano-Structured Materials Nanostructuring Nanotechnology Nanotechnology Nanotechnology (Nanotech) Nanotubes Nanous (Dwarfish) Nanowires Nanowires Naphth- or Naphtha- Naphthalene Naphthalene (2) Naphthline (Naphthalene) Naphthol Naphthol Violet Indicator Naphthophthaline Indicator (Naphtholphthalein α-Naphtholphthalein) Naphthoquinones Narcosis Narcotic Narcotic Receptors Narcotics Narcotics Narcotics Classification Naringinase Narrative Medicine Narwhal NAS (Nonsense-Mediated Alternative Splicing) Nascent Nascent Nascent Adhesion Nascent RNA Nasmyth's Membrane (Primary Enamel Cuticle) Nasopharynx Nasties (Nastic Movements) Natal Natality National DNA Day National Human Genome Research Institute National Human Genome Research Institute (NHGRI) Native Native DNA Native Organisms Native Protein Natural Analogues Natural Antiviral Peptides Natural Elements Natural Gas Natural Gas (2) Natural History Natural Immunity (Innate Immunity) Natural Indicator Natural Killer (NK) Cells Natural Killer (NK) Cells Natural Killer T Cells (NKT Cells) Natural Logarithms Natural Numbers Natural Pigments Natural Product Natural Product Chemistry Natural Products Natural Products (1) Natural Products (2) Natural Regulatory T-Cells Natural Resources Natural Sciences Natural Sciences Natural Selection Natural Selection Natural Selection (2) Natural Tube Naturalist Nature Nature (Journal) Nature (Journal) Nature and Nurture Nature Journal (Nature Periodical) Nature Neuroscience (Journal) Nature-Based Solutions (NBS) Nauplius Nausea NBP (Net Biome Productivity) NBS (Newborn Screening) NCAM (Neural Cell Adhesion Molecule) NCBI (National Center for Biotechnology Information) NCD (Human Genetics) NCE (Novel Chemical Entity) NCI (National Cancer Institute) ncRNA (Noncoding RNA) ncRNAs nD NDEA (N-Nitrosodiethylamine) NDELA (N-Nitrosodiethanolamine) Neanderthal Fossil (Homo neanderthalensis) Neanderthal Man Neanderthal Man (2) Nebulin Nebulize or Nebulise Nebulizer or Nebuliser Necro- (Death) Necrobiome Necrobiosis Necrology Necromass (Mass of Dead Organics) Necrosis Necrotize Necrotomy Necrotroph Nectary Nectins (Cell Adhesion Molecules) NEDD8 NEDSG (Neurodevelopmental Disorder with Spasticity and Poor Growth) Neem NEFA (Nonesterified Fatty Acid) Negative Negative Binomial Model Negative Catalyst Negative Chromatography Negative Complementation Negative Control Negative Cooperativity Negative Co-Operativity Negative Feedback Negative Feedback Negative Inducible Negative Interference Negative receptor for oestrogen (ER−) Negative Repressible Negative Selection Negative Sense RNA virus (-) RNA) Negative Sense RNA virus (-) RNA) Negative Staining Negative-Contrast Technique Negative-Pressure Rooms Negative-Sense Single-Stranded RNA Viruses (-)ssRNA viruses) Negative-Strand Virus or Negative-Stranded Virus Nematic Liquid Crystal Nematic Liquid Crystal Nematicides Nematoblast (Cnidoblast) Nematocyst Nematoda Nematodes Nembutal (Pentobarbitol) Neo- Neoantigen Neoaves Neobiogenesis Neocortex Neocyte Neocytosis Neo-Darwinism Neogene Period (Upper Tertiary Period) Neogenesis Neohymen (Pseudomembrane) Neo-Lamarckism Neolithic Neo-Malthusianism Neomembrane (False Membrane) Neomendelian Inheritance Neomycin Neon Burning Neonate Neonatology Neonicotinoid Neonics (Neo Nicotinoids) Neoplasia Neoplasia Vulvar Intraepithelial- Neoplasm (Oncoma) Neoplasm, Tumor Neoplastic Neoplastic Cyst Neoplastic Disease Neoplastic Fibrosis Neotame NEP (Net Ecosystem Productivity) Nephric Nephridia Nephridia (sing. Nephridium) Nephritis Nephrogenic Diabetes Insipidus Nephron Nephropathy Nephropathy Nephrotic Syndrome Neprilysin Neptune Neptune Planet NER (Nucleotide Excision Repair) Nerium oleander Nernst Equation Nernst Equation Nernst Equation Nerol Nerve Nerve Agent (Nerve Poison) Novichok Nerve Cell (Neuron) Nerve Cord Nerve Ending Nerve Fiber Nerve Fibre Nerve Gas Nerve Gases Nerve Growth Factor Nerve Impulse Nerve Poison Nerve Poisons (Nerve Agents; Neurotoxins) Nervous Impulse Nervous Impulses Nervous System Nervous Tissues Nesidioblast Nesidioblastoma Nessler’s Reagent Nested Deletion Nested Deletion Sequencing Nested Gene Nested PCR Primers Net Carbon Balance Net Charge Net sink Netrin Netrin Receptor Neuberg Ester Neuberg Fermentation Neural Neural Crest Neural Network Neural Networks Neural Networks Neural Progenitors Neural Tube Neural Tube Defect Neuralgia Neuralgic Amyotrophy (Shoulder Girdle Syndrome) Neuraminic Neuraminidase (N) Neurexin Neurite Neurite (Axon) Neuritic Amyotrophy (Hereditary Hypertrophic Interstitial Neuropathy) Neuroblasts Neurochemistry Neurochemistry Neurocrine Neurodegeneration Neurodegenerative Neurodegenerative Diseases Neurodevelopmental Disorder Neuroectoderm Neuroendocrine Neuroendocrine Neuroendocrinology Neuroepithelial Cells Neurofilament Neurogenesis Neurogenetics Neuroglia Neuroglobin Neurohormonal Activation Neurohormone Neurohormone Transmitters Neurohumor Neurohypophysis Neuroimaging Neurolemma Neuroligin Neurological Diseases Neurological Disorders Neurology Neuromodulatory Systems Neuromorphic Completeness Neuromorphic Computing Neuromorphic Systems Neuromuscular Neuromuscular (Nervomuscular) Neuromuscular Blocking Agent Neuromuscular Junction Neuromuscular Junction Neuromuscular Synapse Neuron or Neurone or Nerve Cell Neuron Theory Neuronal Firing Neuronal Granules Neuronal Regeneration Neurons Neurons (Nerve Cells) Neurons (Nerve Cells) Neuropathy Neuropeptides Neurophysin Neurophysiology Neuropilin Neuropils Neuropixels Neuroplasm Neuroplasticity Neuroradiology Neuroreceptor Neuroscience Neuroscience Research Neurosecretion (Neurocrine) Neurosecretory cells Neurospora Neurotensin Neurotic Anxiety Neuroticism Neurotoxic chemicals (Neurotoxins) Neurotoxic Shellfish Poisoning (NSP) Neurotoxin Neurotoxins Neurotoxins Neurotoxins Neurotransmission Neurotransmitter Neurotransmitters Neurotransmitters (2) Neurotrophy Neurotropic Neurula Neutral Neutral Amino Acid Neutral Mutation Neutral Solution Neutral Substitutions Neutralization Neutralization Neutralization Equivalent (Acid-Base Neutralization) Neutralization Reaction Neutralization Test Neutralization Test Neutralizing Antibody Neutrinos Neutrinos Neutron (n) Neutron Bombardment Neutron Degeneracy Pressure Neutron Imaging Neutrons Neutropenia Neutrophil Neutrophil Gelatinase- Associated Lipocalin Neutrophil or Neutrophil Leukocyte or Neutrophilic Leukocyte Neutrophils Neutrophils Neutrophils (2) Nevus Elasticus of Lewandowsky (Connective Tissue Nevus) New Scientist (Journal) Newborn Screening Newton (N) Newton's Law of Universal Gravitation Next Generation Sequencing (NGS) (2) Next Generation Sequencing (NGS) NF-kB NF-Y (Nuclear Transcription Factor Y) NGF (Nerve Growth Factor) NGS (Next-Generation Sequencing Techniques) NH3 (Ammonia) NH4+ (Ammonium Ion) NH4OH (Ammonium Hydroxide) NHEJ (Nonhomologous End Joining or Nonhomologous End-Joining) NHGRI (National Human Genome Research Institute) NHGRI (National Human Genome Research Institute) Ni (Nickel) Niacin (Nicotinic Acid, Vit. B3) Niche Nick translation Nickase Nickel Nickel (Ni) Nickelate Nicking Nicking Nicking Enzyme (Nicking Endonuclease) Nicolaus Copernicus (1473–1543) (Scientist) Nicotiana Altaloids Nicotianamine Nicotinamide Nicotinamide Nucleotide Nicotine Nicotine Nicotinic Acetylcholine Receptor (AChR) Nicotinic Acid Compounds Nicotinic Receptors Nicotinoids Nictinamide Mononucleotide Nictitating Membrane Niels Bohr (1885-1962) Niemann-Pick Disease Nigella sativa Nigella Seeds Nigericin Night Blindness (Nyctalopia) NIH (National Institutes of Health) NIH Human Microbiome Project Nikola Tesla (1856-1943) (Scientist) Nim oil (Neem Oil) Ninhdrin Test Ninhydrin Ninhydrin Reaction Nipah Virus (NiV) NIPK (Neuronal Cell Death-Inducible Protein Kinase) Nirenberg Experiment Nisin Nissl Bodies (Nissl Granules) Nissl Stain Nissl’s Bodis ( Granules ) Nitrate Nitrate (NO3-) or Nitrate Ion (NO3)- Nitrate Assimilation Nitrate Compound (RONO2) Nitrate Production Nitrate Reductase Nitric Oxide (NO) Nitric Oxide (NO) Nitric Oxide (NO) Nitric Oxide Synthase Nitric Reductase Nitride Ion (N3-) Nitrification Nitrification Nitrifying Bacteria Nitrifying Bactria Nitrile Compound (RCN) Nitrile Hydratase Nitrilotriacetic Acid (NTA) Nitrite Nitrite Ion (NO2-) Nitrite Reductase Nitro Compound (RNO2) Nitro Group (-NO2) Nitrobacter Nitrogen (N) Nitrogen (N) Nitrogen (N) Electronic Configuration Nitrogen Assimilation Nitrogen Balance Nitrogen Balance Nitrogen Base Nitrogen Base (Nitrogenous Base) Nitrogen Cycle Nitrogen Cycle Nitrogen Dioxide (NO2) Nitrogen Equilibrium Nitrogen Fertilizers Nitrogen Fixation Nitrogen Fixation Nitrogen Fixation (3) Nitrogen Hypoxia Nitrogen Hypoxia (2) Nitrogen Industrial Sources Nitrogen Isotopes Nitrogen Metabolism Nitrogen Mustard Nitrogen Mustard Nitrogen Nacrosis (Nitrogen Necrosis) Nitrogen Pollution (Nitrogen Deposition) Nitrogen Regulatory Protein Nitrogen Toxicity Nitrogen Vacancy Centre Nitrogen-9 Nitrogenase Nitrogenase Complex Nitrogenase Complex Nitrogen-Containing Biomolecules Nitrogenous Nitrogenous Base ( Nitrogen Base or Nucleobase) Nitrogenous Base or Nitrogen Base Nitrogenous Excretion Products Nitrogenous Waste Nitrogenous Wastes Nitroglycerine (Glyceryl (Trinitrate) Nitroreductase Nitrosamine (Nitrosoamine) Nitrosamines (R2N-N=NO) Nitrosating Agent Nitroso Compound (RN=O) Nitroso Group (-N=O) Nitrosoguanidine Nitrosomonas Nitrosomyoglopin Nitrotoluene (Para Nitrotoluene) Nitrous Acid (HNO2) Nitrous Oxide (Medication) Nitrous Oxide (N2O) Nitrous Oxide (N2O) NK Cell (Natural Killer Cell) NK Cell Rceptor NKC (Natural Killer Cell) nl (Nanoliter) NLP (Natural Language Processing) NLS (Nucluar Lacalization Signal) nm (Nanometer) NMDARs (N-methyl-D-Aspartate Receptors) NMN (Nicotinamide Mononucleotide) NMR (Nuclear Magnetic Resonance ) NMR- Readable Nanosensors NMR Spectrometer NMR Spectroscopy (Nuclear Magnetic Resonance Spectroscopy) NMR-Readable Nanosensors N-Nitrosamidine NNRTI (Non-nucleoside Reverse Transcriptase Inhibitor) NO (Nitric Oxide or Nitrogen Monoxide) NO2- (Nitrite Ion) NO2 (Nitro) NO3- (Nitrate Ion) Nobel Prizes Nobel,Prizes Noble Gases Noble Gases (Inert Gases) Nocturnal Nocturnal Nocturnal Amblyopia Nocturnal Angina NOD Mice (Nonobese Diabetic Mice) Node Nodes of Ranvier Nodular Connective Tissue Nevus Nodules NOESY (Nuclear Overhauser Effect Spectroscopy) N-of-One Trial Noise Noise Levels Noise Polluation Noise Pollution Nomenclature Nominal Nominal Data Nomogram or Nomograph Non Atomic Particles Non Binary Non Coding DNA Non Coding RNAs (ncRNAs) Non Competitive Inhibitors Non Competitive inhibitors (2) Non Compliance Non Directiveness Non Essential Amino Acids Non Glycemic Non Insulin Dependent Diabetes Non Invasive Non Ionic Non Mendelian Inheritance Non Nucleoside Non nucleoside Reverse Transcriptase Non Nucleoside Reverse Transcriptase Inhibitor Non Polar Amino Acids Non Polar Molecule Non Polar Molecule Non Polar Solvent Non Random Sample Non Recombinant Non Reducing Sugars Non Reversible Inhibitor Nonahydrate Nonallelic Genes Nonautonomous Transposons Noncellular Fermentation Noncoding DNA Noncoding DNA Non-Coding Region Non-Coding RNA Genes (Prokaryotes) Noncoding Strand or Template Strand Noncompetitive Antagonism Noncompetitive Inhibition Non-Competitive Inhibition Noncompetitive Inhibition (Mixed Inhibition) Non-Competitive Inhibitors (2) Nonconjugative Plasmid Nonconservative Replication Noncovalent Attraction Noncovalent Bonds Non-Covalent Interaction Noncyclic Electron Transport Noncyclic Photophosphorylation Nondisjunction (In Genetics) Nonelectrolyte Nonenveloped Virus Nonessential Amino Acid Non-Essential Amino Acids Noneuclidean World or Non-Euclidean World Nonhistone Non-Histone Protein Nonhistone Protein or Nonhistone Chromosome Protein Non-Histone Proteins Nonhomologous Nonhomologous Chromosomes Non-Indolent Prostate Cancer Noninducible Enzyme Non-Insulin-Dependent Diabetes Noninvasive  Non-Ionizing Radiation Non-Keplerian Motion Non-Lactose-Fermenter Non-Mendelian Inheritance Non-Mendelian Ratio Non-Nucleoside Reverse Transcriptase Non-Nucleoside Reverse Transcriptase Inhibitors Nonorthologous Gene Displacement Nonoverlapping Code (Overlapping Code) Nonpathogen (Nonpathogenic) Nonpenetrance (In Genetics) Non-Polar Nonpolar (Apolar) Nonpolar Bond Nonpolar Covalent Bonds Nonpolar Solvent Nonprocessed Pseudogene Nonproductive Rearrangement Nonprotein Amino Acids Nonradioactive Nonradioactive Labelling Nonreciprocity Nonrecombining Non-Recombining Nonrepetitive DNA Nonreplicative Transposition Nonsense Code Nonsense Codon or Nonsense Triplet Nonsense- Mediated mRNA Decay Pathway Nonsense Mutation Nonsense Mutation Nonsense Suppressor Nonsense-Mediated Decay Nonsense-Mediated mRNA Decay Pathway Nonsompetitive Inhibition Nonstructural Protein Nonsynonymous Mutation Nonsynonymous Variant Nontemplate Strand Nonthern Blotting Nontranscribed Spacer NOR (Nucleolus Organizing Region) Noradrenaline Noradrenaline (Norepinephrine) Norepinephrine Norepinephrine (Noradrenaline) Norite Norm of Reaction Normal Normal Distribution Normal Distribution or Gaussian Distribution Normal Hemoglobin Normal Range (In Clinical Chemistry) Normal Saline Normal Solution Normality (N) (In Chemistry) Normalized cDNA Library Normocytosis Norstictic Acid Norstictic Acid (2) North Atlantic Right Whale North Pacific Right Whale Northern Blot Northern Blot Northern Blotting or Northern Transfer Nosology Notch Notch Pathway Notch Receptor Protein Nothology (Study of Hybrids) Notochord Novichok Nerve Agent (Newcomer in Russian)  Novobiocin Noxa Noxious Noxiousness np (Nucleotide Pair) NPCs (Nuclear Pore Complex) NPN (Nonprotein Nitrogen) NPP (Net Primary Productivity) NREM Sleep nRNA (Nuclear RNA) NRPS (Nonribosomal Peptide Synthesis) NRTI (Nucleoside Reverse Transcriptase Inhibitors) ns (Nanosecond ) NSD (Nonstop decay) NSF (National Science Foundation) NSF (N-ethylmaleimide-Sensitive Factor) NT (Neurotrophin) N-Terminal Amino Acid N-Terminal End N-Terminal End ( N-Terminus ) nu Particles Nuclean Nuclear Nuclear Agenesis Nuclear Antigens Nuclear Aplasia Nuclear Arc Nuclear Atom Nuclear Bag Nuclear Bag fiber Nuclear Body or PML Nuclear Body or PML Oncogenetic Domain Nuclear Cap (Acrosome) Nuclear Cataract Nuclear Chain Nuclear Chain Fiber Nuclear Chain Reaction Nuclear Cytology (Karyology) Nuclear Disk (Equatorial Disk) Nuclear Division or Nuclear Fission Nuclear Duplication (Mitosis) Nuclear Dysplasia Nuclear Emulsion Nuclear Energy Nuclear Engineering Nuclear Envelope or Nuclear Membrane Nuclear Export Signal Nuclear Factor- Kappa B NF-κB (Nuclear Factor kappa-Light-Chain-Enhancer of Activated B Cells) Nuclear Family Nuclear Fission Nuclear Fission (In Biology) Nuclear Fission Examples Nuclear Forces (Nuclear Interactions) Nuclear Fraction Nuclear Fuel Nuclear Fuel Nuclear Fusion Nuclear Fusion (2) Nuclear Fusion (3) Nuclear Fusion Examples Nuclear Hemorrhage Nuclear Hof Nuclear Hormone Receptors Nuclear Hyaloplasm (Karyolymph) Nuclear Icterus (Kernicterus) Nuclear Lamina Nuclear Magnetic Resonance Nuclear Magnetic Resonance (NMR) Nuclear magnetic resonance (NMR) spectroscopy Nuclear Medicine Nuclear Medicine Nuclear Membrane Nuclear Membrane Nuclear Physics Nuclear Physics (2) Nuclear Pore Nuclear Pores Nuclear Reactor Nuclear Receptor Nuclear Receptor Coactivator Nuclear Receptor Superfamily Nuclear Sap Nuclear Scanning Nuclear Spectroscopy Nuclear Transfer Nuclear Transformation Nuclear Transplantation Nuclear Transport Nuclear Waste (Radioactive Waste) Nuclear Winter Theory Nuclear Zone (Vortex Lentis) Nuclear β-decay Nuclease Nuclease Nucleases Nucleate Nucleation Nucleation Center Nucleic Acid Nucleic Acid Base Nucleic Acids Nucleic Acids Nucleic Acids Research (NAR) (Journal) Nuclein Nucleine Nucleo –Cytoplasmic Ratio Nucleobase (Nitrogenous Base) Nucleocapsid Nucleocapsid (2) Nucleocytoplasmic Nucleocytoplasmic Ratio Nucleofuge Nucleohistone Nucleoid Nucleolar Organizer or Nucleolus Organizer Nucleolar Organizing Region Nucleolar Satellite Nucleolus or Nucleoli (Plasmosome) Nucleolus Organizer Nucleolus Ribosomes Nucleon Number or Mass Number (A) Nucleons Nucleophilc Substitution Nucleophile Nucleophile nucleophilic Nucleophilic Nucleophilic Catalysis Nucleophilicity Nucleoplasm Nucleoplasmin Nucleopore Nucleoprotein Nucleosidase Nucleoside Nucleoside Nucleoside Analogue Nucleoside Analogue Nucleoside Antibiotic Nucleoside Base Modifications Nucleoside Diphosphate Kinase Nucleosome (nu) Nucleosome Positioning Nucleotidase Nucleotide Nucleotide Coenzyme Nucleotide Excision Repair Nucleotide Pair (np) Nucleotide Pair Substitution Nucleotide Region Nucleotide Structure Nucleotide-Binding Fold or Nucleotide-Binding Pocket Nucleotids Nucleus Nucleus (karyon; pl. Nuvlei) Nuclic Acid Nuclide (Atomic Species) Nuclides Nude Mouse Nudge Nudge Control Nudibranchs NUF1 (Nuclear Filament-Related Protein) Null null Null Allele Null Cell Null Hypothesis Null Hypothesis (H0) Null Hypothesis (H0) Null Method or Zero Method Null Mutation Nulliparous Number Theory Number Theory Numerator Element NURF (Nuclear Remodelling Factor) Nurse Cells Nut Site Nutation Nutation, Forward- Nutition Nutmeg Nutrasweet ( Canderel ) Nutrient Nutrients Nutrigenetics  Nutrigenomics Nutrition Nutrition Nutritional Nutritional Biochemistry Nutritional Genomics Nutritional Science Nuts Nux Vomica Nylon Nymph Nystatin Nyxis (Piercing; Puncturing) NZB Mouse NZO Mouse (New Zealand Obese Mouse)