Contrast sensitivity, visual: The ability to perceive differences between an object and its background.
- Control (genetic)
Control (genetic): The control of gene expression. Genetic control may be on the transcriptional or translational level. Transcriptional control works by controlling the number of RNA transcripts of a region of DNA, indirectly controlling protein synthesis. Translational control of protein synthesis works by regulating the step of translating RNA into protein.
- Control (research)
Control (research): In research, control subjects or control procedures permit comparison with experimental results. The first controlled clinical research was probably done in 1875 by the British naval surgeon James Lind who, on board the HMS Salisbury, gave sailors with scurvy either oranges or lemons or cider or vinegar or nutmeg (or another treatment) and […]
Another name for a bruise. What is a bruise ? A bruise, or contusion, is caused when blood vessels are damaged or broken as the result of a blow to the skin (be it bumping against something or hitting yourself with a hammer). The raised area of a bump or bruise results from blood leaking […]
- Conventional medicine
Conventional medicine: Medicine as practiced by holders of M.D. (medical doctor) or D.O. (doctor of osteopathy) degrees and by their allied health professionals, such as physical therapists, psychologists, and registered nurses. Other terms for conventional medicine include allopathy and allopathic medicine; Western medicine, mainstream medicine, orthodox medicine, and regular medicine; and biomedicine.
An abnormal, involuntary contraction of the muscles most typically seen with certain seizure disorders. The term convulsion is sometimes used as a synonym for seizure, but not all seizures are characterized by convulsions. A person having convulsions appears to be shaking rapidly and without control. Other possible causes of convulsions include fever, meningitis, drug or […]