| NAC | N-acetyl-l-cysteine. A sulfur compound that is a precursor of glutathione. |
| Nanogram | 0.000000001 or a billionth of a gram. |
| Nanoliter | 0.000000001 or one billionth of a liter. |
| Narcolepsy | |
| Narcotic | |
| Narcotics | See Narcotic. |
| Nasal CPAP | |
| Natriuretic | Agent causing sodium to be excreted into the urine. |
| Natural Killer Cells | An important first line of defense against newly arising malignant cells and cells infected with viruses, bacteria, and protozoa. They form a distinct group of lymphocytes with no immunological memory and are independent of the adaptive immune system. Natural Killer Cells constitute 5 to 16% of the total lymphocyte population. Their specific function is to kill infected and cancerous cells. |
| Naturopath | See Naturopathy. |
| Naturopathic | See Naturopathy. |
| Naturopaths | See Naturopathy. |
| Naturopathy | Medical practice using herbs and other various methods to produce a healthy body state by stimulating innate defenses without the use of drugs. |
| Nausea | |
| Nearsighted | See Nearsightedness. |
| Nearsightedness | |
| Necator americanus | See Hookworm. |
| Necrosis | |
| Neonatal | |
| Neonate | See Neonatal. |
| Neoplasia | |
| Nephritis | |
| Nephrolithiasis | Presence of kidney stones or gravel. |
| Nephrosclerosis | |
| Nervous Bladder | Tendency to urinate in response to emotion stress. |
| Nervous Breakdown | |
| Nervous Breakdowns | See Nervous Breakdown. |
| Nervous System | |
| Neural Tube | |
| Neuralgia | |
| Neuralgic | See Neuralgia. |
| Neurasthenia | Ill-defined condition, accompanying or following depression, characterized by vague fatigue believed to be brought about by psychological factors. |
| Neuritis | |
| Neurofibroma | See Neurofibromas. |
| Neurofibromas | |
| Neurofibrosarcoma | See Neurofibrosarcomas. |
| Neurofibrosarcomas | |
| Neurogenic Sarcoma | See Neurofibrosarcomas. |
| Neurogenic Sarcomas | See Neurofibrosarcomas. |
| Neuroleptic | A therapeutic agent which produces a state of altered awareness and tranquilization. |
| Neuroma | See Neurofibromas. |
| Neuromas | See Neurofibromas. |
| Neuropathy | |
| Neurotoxic | |
| Neurotoxin | See Neurotoxic. |
| Neurotransmitter | See Neurotransmitters. |
| Neurotransmitters | |
| Neutrophil | See Neutrophils. |
| Neutrophils | |
| Nevi | See Mole. |
| Nevus | See Mole. |
| ng | See Nanogram. |
| Niacin | |
| Niacinamide | See Niacin. |
| NIH | National Institutes of Health. |
| Nipple | |
| Nipples | See Nipple. |
| Nitrosamine | |
| Nitrosamines | See Nitrosamine. |
| NK | See Natural Killer Cells. |
| NK Cells | See Natural Killer Cells. |
| nL | See Nanoliter. |
| nmol | See mol. |
| Nocturia | |
| Nodular Tenosynovitis | |
| Nonessential Amino Acid | |
| Non-essential Amino Acid | See Nonessential Amino Acid. |
| Noradrenaline | |
| Norepinephrine | See Noradrenaline. |
| NSAID | |
| NSAIDs | See NSAID. |
| NTD | Neural Tube Defects, also known as Spina Bifida. |
| Nucleic Acid | |
| Nutraceutical | |
| NYHA | Often NYHA guidelines: New York Heart Association guidelines specifying degrees of heart failure.
Stage I - no effect on physical performance.
Stage II - performance of patient under major stress is decreased.
Stage III - performance affected even during normal activity but not during rest.
Stage IV - symptoms during rest, no physical stress is possible, patient must remain in bed. |
