Sacro - coccygeal teratoma tumour cells consists of Cells of: (A) Ectoderm, (B) Endoderm, (C) Mesoderm, (D) All of the above
Answer is D. Sacro - coccygeal teratoma arises from totipotent Cells from node of Hensen. Hence it is composed of all 3 germ Cells i.e , Ectoderm, Endoderm , Mesoderm.