词条 | His, Wilhelm |
释义 | His, Wilhelm Swiss anatomist born July 9, 1831, Basel, Switz. died May 1, 1904, Leipzig, Ger. ![]() A student of Johannes Müller at the University of Berlin and of Rudolf Virchow at the University of Würzburg, His taught at the universities of Basel (1857–72) and Leipzig (1872–1904), where he founded an institute of anatomy. In 1865 His invented the microtome, a mechanical device used to slice thin tissue sections for microscopic examination. He was the author of Anatomie menschlicher Embryonen, 3 vol. (1880–85; “Human Embryonic Anatomy”), considered the first accurate and exhaustive study of the development of the human embryo. Swiss cardiologist born Dec. 29, 1863, Basel, Switz. died Nov. 10, 1934, Wiesental Swiss cardiologist (son of the renowned anatomist of the same name), who discovered (1893) the specialized muscle fibres (known as the bundle of His) running along the muscular partition between the left and right chambers of the heart. He found that these fibres help communicate a single rhythm of contraction to all parts of the heart. A professor of medicine at the University of Berlin (1907–26), His was one of the first to recognize that the heartbeat has its origin in the individual cells of heart muscle. |
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