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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «N»:

  1. Nostradamus Nostradamus
    Nostradamus: Celebrated French physician and astrologer (1503-1566), born Michel de Notredame. Nostradamus studied medicine in Montpellier, started practicing medicine in 1525, introduced better ways of treating plague victims, and became royal physician to King Charles IX. In 1550, he began writi...
  2. Nostril Nostril
    Nostril: One of the openings in the nose that allows air to flow in and out of the nasal cavities. The word nostril comes from the Old English nosu, nose + thyrel, hole = the nose hole....
  3. Nostrum Nostrum
    Nostrum: A worthless remedy. "Nostrum" is an example of a term that came from medicine, entered the world beyond medicine, fell into disuse in medicine, but is still used outside medicine. A nostrum was a medicine of secret composition recommended by the person who concocted it but with no sci...
  4. Notifiable disease Notifiable disease
    Notifiable disease: See: Reportable disease....
  5. Novel H1N1 influenza Novel H1N1 influenza
    Novel H1N1 influenza: A virus responsible for a flu pandemic in 2009 that was originally referred to as "swine flu" because many of the genes in this new virus were very similar to influenza viruses that normally occur in pigs in North America. However, the virus is actually a novel influenza A...
  6. Novercal Novercal
    Novercal: Stepmotherly; pertaining to a stepmother. From the Latin novercalis, from noverca meaning stepmother....
  7. NP NP
    NP: Nurse practitioner....
  8. NPCR NPCR
    NPCR: National Program of Cancer Registries....
  9. NPH NPH
    NPH: Normal pressure hydrocephalus....
  10. NREM sleep NREM sleep
    NREM sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the electroencephalographic (EEG) recording are typically slow and of high voltage, the breathing and heart rate are slow and regular, the blood pressure is low, and the sleeper is relatively still. ...
  11. NS NS
    NS: Noonan syndrome, a multifaceted condition characterized by a series of birth defects (congenital malformations) including short stature after birth (postnatal growth retardation), webbing of the neck (pterygium colli), caved-in chestbone (pectus excavatum), narrowing of the artery from t...
  12. NSAID NSAID
    NSAID: Nonsteroidal anti-inflammatory drug. NSAIDs are commonly prescribed for the inflammation of arthritis and other body tissues, such as in tendinitis and bursitis. Examples of NSAIDs include aspirin, indomethacin (Indocin), ibuprofen (Motrin), naproxen (Naprosyn), piroxicam (Feldene), and nab...
  13. NSE (neuron-specific enolase) NSE (neuron-specific enolase)
    NSE (neuron-specific enolase): Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely: neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, endocrine tumors of the pancreas, and melanoma. Studies of NSE as a tum...
  14. NSSI NSSI
    NSSI: see: non-suicidal self injury....
  15. NTD NTD
    NTD: Neural tube defect, a major birth defect caused by abnormal development of the neural tube, the structure present during embryonic life which gives rise to the central nervous system -- the brain and spinal cord. Neural tube defects (NTDs) are among the most common birth defects that cause infa...