Purkinje fiber

noun

: any of the modified cardiac muscle fibers with few nuclei, granulated central cytoplasm, and sparse peripheral striations that make up a network of myocardial conducting tissue

Word History

First Known Use

circa 1890, in the meaning defined above

Medical Definition

Purkinje fiber

noun

: any of the modified cardiac muscle fibers with few nuclei, granulated central cytoplasm, and sparse peripheral striations that make up Purkinje's network