GILIANI, Alessandra, Italian anatomist, d-1326. An assistant to Mondino, the famous anatomist at U. of Bologna. She created a technique of injecting the blood vessels with dyes. Blood was withdrawn from veins and arteries and replaced with coloured liquids that solidified after cooling. This enabled the blood vessels to be easily visible. A very valuable technique for anatomists as a dissection aid, which also made the work of medical illustrators easier. She was only 19 at the time.
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