| pathological pathways | <biochemistry, immunology> Malignant paraprotein is a form of antibody characteristic of and produced by malignant cells of the mature B-cell type, for example in multiple myeloma. <tumour marker> Its presence in the blood acts as an important marker of disease. (13 Nov 1997) |
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| pathological | Of or pertaining to pathology. Patholog"ically. Origin: Gr., cf. F. Pathologique. Source: Websters Dictionary (01 Mar 1998) |
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| pathological anatomy | The subspecialty of pathology that pertains to the gross and microscopic study of organs and tissues removed for biopsy or during postmortem examination, and also the interpretation of the results of such study. Synonym: pathological anatomy. (05 Mar 2000) |
| pathological model | An animal or animal stock that by inheritance or by artificial manipulation develops a disorder similar to some disease of interest and hence directly or by analogy furnishes evidence of its pathogenesis and may be used as a model for the study of preventive or therapeutic measures. (05 Mar 2000) |
| afferent pathways | Nerve structures through which impulses are conducted from a peripheral part toward a nerve centre. (12 Dec 1998) |
| autonomic pathways | Nerves and plexuses of the autonomic nervous system. The central nervous system structures which regulate the autonomic nervous system are not included. (12 Dec 1998) |
| olfactory pathways | Set of nerve fibres conducting impulses from olfactory receptors to the cerebral cortex. It includes the olfactory nerve, olfactory bulb, olfactory tract, olfactory tubercle, anterior perforated substance, and olfactory cortex. (12 Dec 1998) |
| efferent pathways | Nerve structures through which impulses are conducted from a nerve centre toward a peripheral site. (12 Dec 1998) |