Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Skin tag: A small tag of skin that may have a stalk (a peduncle).
Skin tags may appear on the skin almost anywhere although the favorite locales are the eyelids, neck, armpits (axillae), upper chest, and groin.
Invariably benign, this tiny tumor of the skin usually causes no symptoms unless repea...
Skin test for allergy
Skin test for allergy: Test done on the skin to
identify the allergy substance (the allergen) that is triggering the
A small amount of the suspected allergy-provoking substance is
placed on the skin. The skin is then gently scratched through the
small drop with a special ster...
Skin test for immunity
Skin test for immunity: A method of evaluating
whether a person has developed an immune response to certain
infections. A substance is injected into the deep layer of the skin
(dermis), which will cause a reaction if the immune system recognizes
it. One of the most common skin tests is the tuber...
Skin, scalded, syndrome
Skin, scalded, syndrome: See Scalded skin syndrome....
Skin, tattooing of the
Skin, tattooing of the: The permanent insertion of ink or other pigments below the skin using a sharp instrument. Humans have done tattooing for cosmetic and ritual purposes since at least the Neolithic era. In the Western world, tattooing has historically served as a brand of criminality, a sign of...
Skittles: Street name for dextromethorphan (DXM)....
Skittling: Street name for the high produced by abuse of the drug dextromethorphan....
Skull: The skull is a collection of bones which
encase the brain and give form to the head and face. The bones of
the skull include the following: the frontal, parietal, occipital,
temporal, sphenoid, ethmoid, zygomatic, maxilla, nasal, vomer,
inferior concha, and mandible.
The early ...
Skull, hair-on-end: Thin fine linear extensions radiating out from the skull that look on an X-ray like hair standing "on-end" from the skull, an appearance associated with hemolytic anemias such as sickle cell disease and thalassemia.
The "hair" represents the accentuated trabeculae extending betw...
Skullcap: See: Scutellaria barbata....
Skute barbata: See: Scutellaria barbata....
SKY (spectral karyotype)
SKY (spectral karyotype: A visualization of all of the chromosomes in the genome all together with each chromosome labeled with a different color. The SKY technique is useful for identifying chromosome abnormalities....
Slake: 1. To satisfy or quench. As, for example, she drank some water to slake her thirst.
2. To mix with water, to hydrate. As, for example, to slake lime....
Slanted ear: An ear that is slanted more than usual.
Technically, an ear is slanted when the angle of the slope of the auricle is more than 15
degrees from the perpendicular. Considered a minor anomaly. The presence of 2 or more
minor anomalies in a child increases the probability that the child has...
Slap cheek: See: Fifth disease...