Galen himself couldn't dissect human cadavers, because Romans were even more appalled by the notion than the Greeks.
He used cadavers (dead bodies) to sketch details of human anatomy in order to know how the body works.
It is also possible to obtain cadavers from the pathology department of universities, where disease-ridden animals are donated for autopsy.
All somewhat ironic, since von Hagens ' intention is precisely to combat the taboos that make cadavers so controversial.
Are these concerns well founded in relation to the use of human cadavers?