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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. Sweat chloride test Sweat chloride test
    Sweat chloride test: A test for cystic fibrosis. See: Sweat test....
  2. Sweat gland Sweat gland
    Sweat gland: The sweat (sudoriferous) glands are small tubular structures situated within and under the skin (in the subcutaneous tissue). They discharge sweat by tiny openings in the surface of the skin. The sweat is a transparent colorless acidic fluid with a peculiar odor. It contains some fatty ...
  3. Sweat gland tumor Sweat gland tumor
    Sweat gland tumor: A benign (harmless) skin tumor called a syringoma that derives from cells related to sweat glands. (These particular specialized cells are scientifically referred to as eccrine.) The skin lesions of syringomas usually appear during puberty or adult life and consist of small b...
  4. Sweat test Sweat test
    Sweat test: A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of the test is to stimulate the patient's skin to produce a certain amount of sweat, which may then be absorbed by a special filter paper and analyzed for its chloride content. In ...
  5. Sweating Sweating
    Sweating: The act of secreting fluid from the skin by the sweat (sudoriferous) glands. These are small tubular glands situated within and under the skin (in the subcutaneous tissue). They discharge by tiny openings in the surface of the skin. The sweat is a transparent colorless acidic fluid with a ...
  6. Sweating, gustatory Sweating, gustatory
    Sweating, gustatory: Sweating on the forehead, face, scalp, and neck occurring soon after ingesting food. Some gustatory sweating is normal after eating hot, spicy foods. Otherwise, gustatory sweating is most commonly a result of damage to a nerve that goes to the parotid gland, the large saliv...
  7. Sweats, night Sweats, night
    Sweats, night: Severe hot flashes which occur at night and result in a drenching sweat. Night sweats have many possible causes, including medications, infections, and cancers....
  8. Sweet wormwood Sweet wormwood
    Sweet wormwood: A Chinese herb (also called qinghaosu) from which is extracted the antimalarial agent artemisinin....
  9. Swelling of the brain Swelling of the brain
    Swelling of the brain: See: Cerebral edema....
  10. Swimmer's ear Swimmer's ear
    Swimmer's ear: Infection of the skin covering the outer ear canal that leads in to the ear drum, usually due to bacteria such as streptococcus, staphylococcus, or pseudomonas. Swimmer's ear is usually caused by excessive water exposure. When water pools in the ear canal (frequently trapped by wax), ...
  11. Swimming pool granuloma Swimming pool granuloma
    Swimming pool granuloma: Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called mycobacterium marinum. Swimming pool granuloma is typically acquired by occupational or recreational exposure to salt or fresh water, often resulting from minor trauma duri...
  12. Swine flu Swine flu
    Swine flu: A respiratory illness of pigs caused by infection with swine influenza A virus (SIV). While swine flu viruses normally do not infect humans, occasional infections of humans do occur. Human cases of swine influenza A virus infection occur in individuals who have had a history of recent...
  13. Swollen tongue Swollen tongue
    Swollen tongue: swelling, or enlargement, of the tongue. A swollen tongue can be a symptom of glossitis, an inflammation of the tongue that can be caused by infections, local irritation or burns, and allergic reactions. Swelling of the tongue can also result from trauma or rare diseases, such as ...
  14. Sydenham chorea Sydenham chorea
    Sydenham chorea: An acute neurologic disorder that emerges several months following a streptococcal ("strep") infection, most frequently in children between the age of 5 and 15. There may be a history of a strep throat or a strep skin infection. There may similarly be a history of another sequel o...
  15. Sydenham's chorea Sydenham's chorea
    Sydenham's chorea: See: Sydenham chorea....