purkinje's fibers

  • 11Purkinje fibers — modified cardiac fibers composed of Purkinje cells, occurring as an interlaced network in the subendocardial tissue and constituting the terminal ramifications of the conducting system of the heart. The term is sometimes used loosely to denote… …

    Medical dictionary

  • 12Purkinje's system — noun a network of Purkinje fibers that carry the cardiac impulse from the atrioventricular node to the ventricles of the heart and causes them to contract • Syn: ↑Purkinje network, ↑Purkinje s tissue • Hypernyms: ↑cardiac muscle, ↑heart muscle •… …

    Useful english dictionary

  • 13Purkinje's tissue — noun a network of Purkinje fibers that carry the cardiac impulse from the atrioventricular node to the ventricles of the heart and causes them to contract • Syn: ↑Purkinje network, ↑Purkinje s system • Hypernyms: ↑cardiac muscle, ↑heart muscle •… …

    Useful english dictionary

  • 14Purkinje cells — nerve cells found in great numbers in the cortex of the cerebellum. The cell body is flask shaped, with numerous dendrites branching from the neck and extending fanwise among other cells towards the surface and a long axon that runs from the base …

    Medical dictionary

  • 15Purkinje network — noun a network of Purkinje fibers that carry the cardiac impulse from the atrioventricular node to the ventricles of the heart and causes them to contract • Syn: ↑Purkinje s tissue, ↑Purkinje s system • Hypernyms: ↑cardiac muscle, ↑heart muscle • …

    Useful english dictionary

  • 16purkinje's network — noun or purkinje s system or purkinje s tissue Usage: usually capitalized P : a network of intracardial conducting tissue made up of syncytial Purkinje fibers that lie in the myocardium and constitute the atrioventricular bundle and other… …

    Useful english dictionary

  • 17Purkinje fiber — any of the specialized cardiac muscle fibers forming a network in the ventricular walls that conduct electric impulses responsible for the contractions of the ventricles. [named after Jan Evangelista Purkinje (Czech Purkyne) (1787 1869), Czech… …

    Universalium

  • 18Purkinje fiber — Purkin′je fi ber n. anat. any of a network of impulse conducting muscle fibers in the walls of the ventricles of the heart • Etymology: after Jan Evangelista Purkinje (Czech Purkyně) (1787–1869), Czech physiologist, who discovered the fibers in… …

    From formal English to slang

  • 19Purkinje fiber — noun Date: circa 1890 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 …

    New Collegiate Dictionary

  • 20Purkinje — Johannes E. von (Jan E. Purkyne), Bohemian anatomist and physiologist, 1787–1869. See P. conduction, P. images, under image, P. shift, subendocardial conducting system of heart, P. cells, under cell, P. corpuscles, under corpuscle, P. fibers,… …

    Medical dictionary