| classic cervical rib syndrome | <syndrome> Very chronic axon loss brachial plexopathy, caused by compromise of the lower trunk fibres by a congenital band extending from a rudimentary cervical rib to the first thoracic rib; rare disorder, found mostly in young to middle-aged women, that presents with unilateral hand wasting and weakness, particularly involving the lateral thenar eminence; sometimes accompanied by intermittent discomfort along the medial forearm and hand. Synonym: cervical rib and band syndrome, classic cervical rib syndrome. (05 Mar 2000) |
|---|---|
| classic migraine | A form of hemicrania migraine preceded by a scintillating scotoma (teichopsia). (05 Mar 2000) |
| classical article | The current presentation of a previously printed seminal article marking a milestone in the history of medicine or science. It is usually accompanied by introductory remarks heralding its reprinting, often on the anniversary of its original publication or on an anniversary of the author's birth or death. It is usually reprinted in full, with complete bibliographical reference to the original appearance. (12 Dec 1998) |
| classical cesarean section | A cesarean section in which the uterus is entered through a vertical fundal incision. (05 Mar 2000) |
| classical conditioning | <psychology> Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus. (12 Dec 1998) |
| classical confinement | <radiobiology> Plasma confinement in which particle and energy transport occurs via classical diffusion, best possible case for magnetically confined plasmas. See: classical diffusion. (09 Oct 1997) |
| 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) |
| 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) |