christian roots

When reading about the developments of the science of medicine in the Greek world pg(60-6), I found the discussion about the "brotherhood" learning environment to be a topic which could have been discussed in more depth.  The question arises about not only the morality of the times or lack there of, but also of the religious over tones of the times and how that may have affected the path of the research that was taking place at the time. How did the first groups of Physicians in the Dogmatist school in Alexandria morally overcome the Greek taboo of human dissection, or to them a human mutalation? How was medical research shared outside of the school of study?