Skin test for allergy
A test in which a small drop of the suspected allergy-provoking substance (allergen) is placed on the skin and the skin is then gently scratched through the drop with a sterile needle. If the skin reddens and, more importantly, if it swells, the test is read as positive, and allergy to that substance is considered probable.
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A method of evaluating whether a person has developed an immune response to a certain infection. A substance is injected into the deep layer of the skin (dermis) and causes a reaction if the immune system recognizes it. One of the most common skin tests is the tuberculin test, which reveals whether a person has […]
- Skin, tattooing of the
non-reactive pigments; sterile, disposable needles; and sterile work conditions. Without these refinements, inks may cause inflammation, and infection is an ever-present danger. Persons who are prone to keloid scarring should be aware that tattoos can trigger the formation of disfiguring keloids. Ink lines may also spread or change color over the years, a fact of […]
- Skittles
Street name for dextromethorphan (DXM).
- Skittling
Street name for the high produced by abuse of the drug dextromethorphan.
- Skull
the frontal, parietal, occipital, temporal, sphenoid, ethmoid, zygomatic, maxilla, nasal, vomer, palatine, inferior concha, and mandible. The early English word “skulle” came from the Nordic words “skal” and “skul” meaning a bowl. It is also thought that the Nordic toast “Skoal!” came from “skal” since ceremonial drinks were served in a bowl (or skull).