Category: C

Of the nature of a colloid.  

A substance, microorganism or environmental factor that activates or enhances the action of another entity such as a disease-causing agent. A nonprotein component required by some enzymes for activity. The cofactor may be a metal ion or an organic molecule called a coenzyme. The term “cofactor” is a general term. Cofactors are generally heat stable.…

An organic nonprotein molecule, frequently a phosphorylated derivative of a water-soluble vitamin, that binds with the protein molecule (apoenzyme) to form the active enzyme (holoenzyme). A nonprotein compound that functions to activate an enzyme. Organic compounds required for the activity of some enzymes; most are derived from vitamins. A nonprotein substance derived from, a vitamin…

A set of three nucleotides in a protein coding sequence that specifies individual amino acids or a termination signal (codon, terminator). Most codons are universal, but some organisms do not produce the transfer RNAs (RNA, transfer) complementary to all codons. These codons are referred to as unassigned codons (codons, nonsense). Triplet sequence of bases adenine,…

The culturing of normal cells or tissues with infected or latently infected cells or tissues of the same kind (From Dorland, 28th ed, entry for cocultivation). It also includes culturing of normal cells or tissues with other normal cells or tissues.  

An imidazole derivative with a broad spectrum of antimycotic activity. It inhibits biosynthesis of the sterol ergostol, an important component of fungal cell membranes. Its action leads to increased membrane permeability and apparent disruption of enzyme systems bound to the membrane. A drug used to treat yeast and fungal infections. An antifungal drug used to…

Retraction of a clot resulting from contraction of platelet pseudopods attached to fibrin strands that is dependent on the contractile protein thrombosthenin. Used as a measure of platelet function. The shrinking of the clot that forms when blood is allowed to stand, due to the fibrin network formed in the clot.  

A research study that tests how well new medical treatments or other interventions work in people. Each study is designed to test new methods of screening, prevention, diagnosis, or treatment of a disease. One of the final stages in the collection of data (for drug approval prior to commercialization) in which the new drug is…

The study and practice of medicine by direct examination of the patient. The study and treatment of patients in a hospital ward or in the doctors surgery, as opposed to in the operating theatre or laboratory. The branch of medicine dealing with the study of patients in bed or in an examining room and the…

A double-stranded cut in DNA with a restriction endonuclease.