title: Foetus in fetus.
mesh_terms: D001842:Bone and Bones / Q000196:embryology; D001921:Brain / Q000196:embryology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000473:pathology; D005333:Fetus / Q000473:pathology*; D006801:Humans; D007223:Infant; D008297:Male; D011247:Pregnancy; D013116:Spinal Cord / Q000196:embryology