| classical diffusion | <radiobiology> In plasma physics, diffusion due solely to scattering (collisions) of charged particles (with unlike charges) via electrical (Coulomb) interactions. (See also diffusion.) (09 Oct 1997) |
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| classical epidemiology | <epidemiology> Our term for the varieties of epidemiology primarily concerned with the statistical relationships between disease agents, both infectious and non-infectious; for example a study to establish the relative risk of lung cancer associated with smoking. We contrast this with ecological epidemiology. (05 Dec 1998) |
| classical genetics | That body of method and analysis that perceives genetics as the study of the transmission of genotype from parent to offspring; the study of multiple individuals is essential to it. (05 Mar 2000) |
| classical haemophilia | See: haemophilia A. (05 Mar 2000) |
| classifiable character | A character that allows individuals to be sorted into distinct but not quantitative classes, e.g., blood types. (05 Mar 2000) |
| classification | <zoology> The systematic arrangement of similar entities on the basis of certain differing characteristics and the basis of their relationships. (09 Jan 1998) |
| clastic | Breaking up into pieces, or exhibiting a tendency so to break or divide. Origin: G. Klastos, broken (05 Mar 2000) |
| clastic anatomy | The construction or study of models in layers which can be removed one after the other to show the structure of the organism and/or organ. Synonym: plastic anatomy. (05 Mar 2000) |
| clastogen | <pharmacology> A clastogen is any substance which causes chromosomal breaks. (09 Oct 1997) |
| clastogenesis | <molecular biology> Any process resulting in the breakage of chromosomes or the loss or rearrangement of pieces of chromosomes. (09 Oct 1997) |
| clastogenic | <cell biology, pharmacology> This adjective describes any substance or process which causes breaks in chromosomes. Origin: Gr. Gennan = to produce (09 Oct 1997) |
| clastothrix | Synonym: trichorrhexis nodosa. Origin: G. Klastos, broken, + thrix, hair (05 Mar 2000) |