functional disease

noun

, Pathology.

1. a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved ( organic disease ).

functional disease

noun

1. a disease in which there is no observable change in the structure of an organ or part Compare organic disease

Word History and Origins

Origin of functional disease¹

First recorded in 1870–75

Example Sentences

Pruritus is a functional disease of the skin, the sole symptom of which is itching, there being no structural change.

From Project Gutenberg

When we have to deal in practice with a case of functional disease, discrimination is obligatory from the standpoint of prognosis.

From Project Gutenberg