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Bartolomeo Eustachi
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Bartolomeo Eustachi (1500 or 1514 - August 27, 1574), also known by his Latin name of Eustachius, was one of the founders of the science of human anatomy.
LifeHe came from San Severino, near Macerata, Italy, and was a contemporary of Vesalius, with whom he shares the reputation of having created the science of human anatomy.
He is known as a challenger of Galen and extended the knowledge of the internal ear by rediscovering and describing correctly the tube which bears his name. He is the first who described the internal and anterior muscles of the malleus and the stapedius, and the complicated figure of the cochlea. He is the first who studied accurately the anatomy of the teeth, and the phenomena of the first and second dentition.
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1552 In Italy, Bartolomeo Eustachi makes important discoveries on the structure of the ear and heart.
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Encyclopedia
Bartolomeo Eustachi (1500 or 1514 - August 27, 1574), also known by his Latin name of Eustachius, was one of the founders of the science of human anatomy.
LifeHe came from San Severino, near Macerata, Italy, and was a contemporary of Vesalius, with whom he shares the reputation of having created the science of human anatomy.
He is known as a challenger of Galen and extended the knowledge of the internal ear by rediscovering and describing correctly the tube which bears his name. He is the first who described the internal and anterior muscles of the malleus and the stapedius, and the complicated figure of the cochlea. He is the first who studied accurately the anatomy of the teeth, and the phenomena of the first and second dentition. Eustachius also discovered the adrenal glands (reported in 1563).
His greatest work, which he was unable to publish, is his Anatomical Engravings. Completed in 1552, nine years after Vesalius was published, the author feared ex-communication by the Catholic Church.
First published in 1714 by Giovanni Maria Lancisi, and again in 1744 by Cajetan Petrioli, and again in 1744 by Bernhard Siegfried Albinus, and subsequently at Bonn in 1790, the engravings show that Eustachius had dissected with the greatest care and diligence, and taken the utmost pains to give just views of the shape, size and relative position of the organs of the human body. The fact that his book became a bestseller more than a century after his death shows the extent of the religious restrictions on anatomists all through the Renaissance.
The first seven plates illustrate the history of the kidneys and some of the facts relating to the structure of the ear. The eighth represents the heart, the ramifications of the vena azygos, and the valve of the vena cava, named from the author. In the seven subsequent plates is given a succession of different views of the viscera of the chest and abdomen. The seventeenth contains the brain and spinal cord; and the eighteenth more accurate views of the origin, course and distribution of the nerves than had been given before. Fourteen plates are devoted to the muscles.
Eustachius did not confine his researches to the study of relative anatomy. He investigated the intimate structure of organs with assiduity and success. What was too minute for unassisted vision he inspected by means of glasses (early microscopes). Structure which could not be understood in the recent state, he unfolded by maceration in different fluids, or rendered more distinct by injection and exsiccation. The facts illustrated by these figures are so important that it has been said that if the author had been fortunate enough to publish them, anatomy would have attained the perfection of the 18th century two centuries earlier at least. Their seclusion for that period in the papal library has given celebrity to many names which would have been known only in the verification of the discoveries of Eustachius.
External links- . Selected pages scanned from the original work. Historical Anatomies on the Web. US National Library of Medicine.
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