At a prosecutor's request, they took away the foetus.
But the more the experts have studied foetus, the more it seemed to be not quite right.
Every foetus will have a slightly variable number of receptors, from more to average to less.
British Dictionary definitions for foetus
noun (pl) -tuses
the embryo of a mammal in the later stages of development, when it shows all the main recognizable features of the mature animal, esp a human embryo from the end of the second month of pregnancy until birth Compare embryo (sense 2)