Drugs Information Online
Drugs and diseases reference index

Drugs and diseases reference index
Search
EN


Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «N»:

  1. Nervous system, parasympathetic Nervous system, parasympathetic
    Nervous system, parasympathetic: A part of the nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. The parasympathetic nervous system together with the sympathetic nervous system (that accelerates the heart rate, constricts blood vessels,...
  2. Nervous system, peripheral (PNS) Nervous system, peripheral (PNS)
    Nervous system, peripheral (PNS): That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system (PNS) is one of the two major divisions of the nervous system. The other is the central nervous system (CNS) which is made up of the brain and spinal cord. Th...
  3. Nervous system, sympathetic Nervous system, sympathetic
    Nervous system, sympathetic: A part of the nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. The sympathetic nervous system together with the parasympathetic nervous system (that slows the heart rate, increases intestinal and gland activity, and rel...
  4. Nervus ulnaris Nervus ulnaris
    Nervus ulnaris: See: Ulnar nerve....
  5. Neti pot Neti pot
    Neti pot: A ceramic pot used for nasal saline irrigation of the nasal passages. Saline irrigation involves flushing the nasal passages with a salt and water solution to thin the mucus and facilitate drainage of the sinuses. A Neti pot resembles a small teapot, shaped somewhat like the depictions of ...
  6. Neural Neural
    Neural: Having to do with nerve cells....
  7. Neural foramen Neural foramen
    Neural foramen: See: Intervertebral foramen....
  8. Neural tube defect Neural tube defect
    Neural tube defect (NTD): 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 inf...
  9. Neuralgia Neuralgia
    Neuralgia: Pain along the course of a nerve....
  10. Neuralgia, ciliary Neuralgia, ciliary
    Neuralgia, ciliary: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headache. It is characterized by 1-3 short attacks of pain ...
  11. Neuralgia, facial Neuralgia, facial
    Neuralgia, facial: Severe pain, usually occurring in bursts, that emanates along the path of the trigeminal nerve. The trigeminal nerve is the chief sensory nerve of the face....
  12. Neuralgia, migrainous Neuralgia, migrainous
    Neuralgia, migrainous: A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headache. It is characterized by 1-3 short attacks of p...
  13. Neuralgia, postherpetic Neuralgia, postherpetic
    Neuralgia, postherpetic: Localized pain in the area of involvement of shingles that persists beyond one month. The most common complication of shingles is postherpetic neuralgia. This occurs when the pain associated with shingles persists beyond one month, even after the rash is gone. T...
  14. Neuralgia, sphenopalatine Neuralgia, sphenopalatine
    Neuralgia, sphenopalatine: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headache. It is characterized by 1-3 short attacks ...
  15. Neuralgia, vidian Neuralgia, vidian
    Neuralgia, vidian: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headache. It is characterized by 1-3 short attacks of pain ...