predissected en · ADJ
Etymology
From pre- + dissected.
Meanings
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(not-comparable) Having been dissected in advance.
There has been a trend among medical schools to eliminate the gross anatomy lab dissection, replacing it with a (far less time-consuming) study of predissected, preserved prosections and computerized simulations.
2007 June 24, Mary Roach, “Love and Human Remains”, in New York Times: