[Case description of a congenital malformation in a calf, characterized by an ingrowth of the fetal membranes into the cranial cavity].

: It is reported on a congenital malformation at the head of a calf born dead, characterized by downgrowth of the fetal membranes into the cranial cavity. The outer appearance and the pathologic-anatomical observations are presented in pictures and the attempt of an interpretation is made.