Aschoff body
noun
Asch·off body
| \ ˈä-ˌshȯf-
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Medical Definition of Aschoff body
: one of the small nodules in heart muscle that are typical of rheumatic heart disease and consist of swollen collagen, cells, and fibrils
also
: one of the similar but larger nodules found under the skin especially in rheumatic fever or polyarthritis
— called also Aschoff nodule