An anatomical theatre was an institution used in teaching anatomy at early modern universities.
The theatre was usually a room of roughly amphitheatrical shape, in the centre of which would stand the table on which the dissections of human or animal bodies took place. Around this table were several circular, elliptic or octagonal tiers with railings, where students or other observers could stand and get a good view of the dissection almost from above and unencumbered by the spectators in the rows in front.
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The first anatomical theatre was built at the University of Padua in 1594. (adapted from wikipedia)Other similar posts