破坏性和恶性的绒毛膜上皮癌往往是葡萄胎所引起。
The destructive and malignant neoplasms of chorionic epithelium often arise from hydatidiform moles.
胚胎癌35例，畸胎瘤11例，卵黄囊瘤3例，绒毛膜上皮癌6例，混合性生殖细胞瘤13例。
There were 35 embryonal carcinomas, 11 teratomas, 3 yolk sac tumors, 6 choriocarcinomas and 13 mixed germ cell tumors.
发现鸡胚在第8、10、12天胚龄时CAM EC都位于外胚层绒毛膜上皮之下，随胚龄增大，EC逐渐由中胚层移向外胚层。
We discovered that CAM ec on day 8, 10, and 12 after incubation localized beneath the chorionic ectoderm, but with the age growing, ec gradually migrated toward ectoderm from mesenchyme.
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