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Biology Dictionary: N

Search or browse the dictionary for the definition of biology terms starting with the letter “N”.

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Dictionary > N
AllC

N

  • N-acetylglucosamine
  • Nacre
  • NADH
  • Naegleria fowleri
  • Nail
  • Nail bed
  • Nail matrix
  • Naked
  • Naked virus
  • Nanometer
  • Nariokotome Boy
  • Naris
  • Nasal speculum
  • Nasogastric aspiration
  • Nasopharynx
  • Nasses law
  • Nastic movement
  • Natal cleft
  • Natality
  • Native
  • Native protein
  • Natural
  • Natural active immunity
  • Natural classification
  • Natural environment
  • Natural history
  • Natural immunity
  • Natural mutation
  • Natural passive immunity
  • Natural reservoir
  • Natural science
  • Natural selection
  • Naturally acquired active immunity
  • Naturally acquired passive immunity
  • Nature
  • Navel
  • Navicular fossa of urethra
  • Navigation
  • Nearctic realm
  • Necator americanus
  • Necatoriasis
  • Neck
  • Necrosis
  • Nectar
  • Nectophore
  • Negative feedback
  • Negri bodies
  • Neisseria flavescens
  • Neisseria mucosa
  • Neisseria sicca
  • Nekton
  • Nematocyst
  • Nematocyte
  • Nematoda
  • Nematode
  • Nematology
  • Neomorphic mutation
  • Neonatal
  • Neotropical realm
  • Nephron
  • Neriine
  • Nerve
  • Nerve conduction
  • Nerve Fiber
  • Nerve impulse
  • Nervous colon syndrome
  • Nervous dyspepsia
  • Nervous system
  • Nervous tissue
  • Nest
  • Net
  • Net photosynthesis
  • Net primary productivity
  • Net-veined
  • Neurilemma
  • Neuroanatomist
  • Neuroethology
  • Neurogastronomy
  • Neuroglia
  • Neurohormone
  • Neurology
  • Neuromelanin
  • Neuromuscular junction
  • Neuron
  • Neuronal sprouting
  • Neurophysiology
  • Neuropodia
  • Neuropsychology
  • Neurorrhaphy
  • Neuroscience
  • Neurotoxins
  • Neutral
  • Neutral dye
  • Neutral mutation
  • Neutral solution
  • Neutral stimulus
  • Neutral theory of molecular evolution
  • Neutralization
  • Neutralizing antibody
  • Neutrons
  • Neutropenia
  • Neutrophil
  • Neutrophile
  • Nexin
  • Nick
  • Nicked circle
  • Nicotinamide adenine dinucleotide
  • Nicotinamide adenine dinucleotide phosphate
  • Nictitating membrane
  • Nidus
  • Nif gene
  • Nipple
  • Nitabuchs membrane
  • Nitratase
  • Nitrate respiration
  • Nitrates
  • Nitrification
  • Nitrifying bacterium
  • Nitrites
  • Nitrogen
  • Nitrogen Cycle
  • Nitrogen fixation
  • Nitrosomonas
  • Nm
  • Noble element
  • Nocturnality
  • Nodal points
  • Node
  • Non Random Mating
  • Non-living thing
  • Non-Mendelian inheritance
  • Non-seed plant
  • Non-sister chromatid
  • Non-sustainability
  • Nonapeptide
  • Noncellular
  • Nondisjunction
  • Nonessential nutrient
  • Nonfenestrated forceps
  • Nonose
  • Nonpolar compound
  • Nonsense
  • Nonsense mutation
  • Nonseptate mycelium
  • Nonviable
  • Norma lateralis
  • Normal
  • Normal range
  • Norms
  • Nose
  • Notch
  • Notochord
  • Nourish
  • Novel
  • Nucellar embryony
  • Nuchal region
  • Nuclear body
  • Nuclear division
  • Nuclear envelope
  • Nuclear lamina
  • Nuclear matrix
  • Nuclear membrane
  • Nuclear pore
  • Nuclear pore complex
  • Nuclear-cytoplasmic ratio
  • Nuclease
  • Nuclease S1
  • Nucleation
  • Nucleic acid
  • Nucleobase
  • Nucleoid
  • Nucleolar organizer region banding
  • Nucleolus
  • Nucleoplasm
  • Nucleoporin
  • Nucleoside
  • Nucleosome
  • Nucleotide
  • Nucleotide deletion
  • Nucleus
  • Null cell
  • Null cells
  • Null hypothesis
  • Nulliparity
  • Nullisomy
  • Numerical taxonomy
  • Nursery
  • Nurture
  • Nut
  • Nutlets
  • Nutrient
  • Nutrient artery
  • Nutrient medium
  • Nutriment
  • Nutrition
  • Nutritive value
  • Nutshell
  • Nyctinasty
  • Nycturia
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