Sunao Tawara
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Sunao Tawara (July 5, 1873, Oita – 1952) was a Japanese pathologist.
He studied at the Imperial University in Tokyo, graduating in 1901 and receiving his igaku hakushi (doctor of medical science) degree in 1908. The years 1903 to 1906 he spent in Marburg studying pathology and pathological anatomy with Ludwig Aschoff (1866-1942). It was here he undertook his important works on the anatomy and pathology of the heart. Upon returning to Japan he was appointed extraordinary professor of pathology at what is now Kyushu University in Fukuoka, becoming ordinarius of this specialty in 1908.
- Node of Tawara: - a remnant of primitive fibers found in all mammalian hearts at the base of the interauricular septum, and forming the beginning of the auriculoventricular bundle or bundle of His, which is a muscular band, containing nerve fibers, connecting the auricles with the ventricles of the heart. The Node of Tawara is also called the atrioventricular node, the auriculoventricular node, Aschoff's node, and the node of Aschoff and Tawara.
