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Medicine. Originally (of a disease or disorder): arising by itself in the affected part of the body (opposed to sympathetic, adj. 1c) (now historical…
Medicine. Of a disease: = primary, adj. 6. Cf. deuteropathic adj. at deuteropathy, n. derivatives. Now rare.
Medicine and Biology. Originally (of a disease): that is a disease in its own right (rather than a symptom of another); that is not caused by…