54.1 MB (4.0 MB compressed)
3810 x 4961 pixels
32.3 x 41.9 cm ⏐ 12.7 x 16.5 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Portrait of Galen, a Greek physician born in AD 130 and died in Ad 200. The portrait is from an unnamed book by Ambroise Pare, a French surgeon of the 16th century. After Galen's death his body of work became medical authority among Europeans until his views on anatomy were overthrown by Vesalius (16th century) and those on physiology by Harvey (17th century). Galen's anatomical assumptions were based on animals - human dissection having fallen into disrepute - which as it later proved, were not always applicable to humans. He was the first to use the pulse as a diagnostic aid and to describe the flow of urine through the ureters to the bladder.
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