Cortisol
Cortisol: A metabolite of the primary stress hormone cortisone. Cortisol is an essential factor in the proper metabolism of starches, and it is the major natural glucocorticoid (GC) in humans.
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- Cosmid
Cosmid: DNA from a bacterial virus into which is spliced a small fragment of a genome to be amplified and sequenced. A cosmid is an artificially constructed structure. It is used in cloning (copying) pieces of DNA. (On a technical level, a cosmid contains the cos gene of phage lambda and can be packaged in […]
- Costal margin
Costal margin: The lower edge of the chest (thorax), formed by the bottom edge of the rib cage.
- Costochondritis
Inflammation and swelling of the cartilage of the chest wall, usually involving the cartilage that surrounds the breastbone (sternum) but sometimes including the adjacent tip of a rib. Costochondritis causes local pain and tenderness of the chest around the sternum. Treatment options include anti-inflammatory medications and, in severe cases, corticosteroid injections. Also known as Tietze […]
- Cotinine
Cotinine: The major metabolite (breakdown product) of nicotine. Exposure to nicotine can be measured by analyzing the cotinine level in the blood, saliva, or urine. Since nicotine is highly specific to tobacco smoke, serum cotinine levels track exposure to tobacco smoke and its toxic constituents. Cotinine assays provide an objective quantitative measure that is more […]
- Cotton rat
Cotton rat: A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the US. The cotton rate is found in the southeastern US and Central and South America. Its head and body measure about 5 to 7 inches with another 3 to 4 inches for the tail. The hair […]