the greatest source of mystery, misinformation, and anxiety for medical men through the ages was not the uterus (which, for all its alleged evils, nevertheless served an undeniable biological purpose when it came to propagating the human race). It was the clitoris, an organ whose sole purpose is to provide sexual function and pleasure in women—and whose existence so thoroughly unnerved the medical establishment that for a long time, doctors refused to acknowledge it at all.