…The sinoatrial node determines the overall rhythm of the heart's contraction and relaxation, and is therefore called the pacemaker. The cells of the sinoatrial node were discovered in 1907 by Arthur Keith (1862-1956) and Martin Flack (1882-1931) in England (hence the name Keith-Flack node). They are smaller than the myocardial cells that make up the walls of the atria and ventricles. They lack myofibrils, but have all the cellular elements. … *Some of the terminology that mentions "Flack, M." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このように洞房結節は心臓の収縮,弛緩のリズム全体を決定しているので,歩調とりまたはペースメーカーpacemakerといわれる。洞房結節の細胞群はイギリスのキースArthur Keith(1862‐1956)とフラックMartin Flack(1882‐1931)により1907年に発見されたもので(それでキース=フラック結節ともいう),他の心房,心室の壁を構成する心筋細胞より小さい。また筋原繊維に乏しいが細胞要素はすべて備えている。… ※「Flack,M.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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