原始神经外胚叶肿瘤 PNET ; primitive neuroectodermal tumor ; peripheral primitive neuroectod ermal tumors

原始神经外胚叶瘤 primitive neuraectodermal tumor PNET ; primitive neuroectodermal tumor ; primitive neumedodeimal tumor ; peripheral primitive neuroectodermal tumor

原始外胚叶 primitive ectoderm

或原始神经外胚叶肿瘤 Primitive Neumectodermai Tumor

中胚叶原肠壁 gastral mesoderm