Immature teratomas tend to be malignant and metastasize quickly.
未成熟畸胎瘤有恶性倾向，并且转移很快。
Immature teratoma
原声例句
Osmosis-生殖
Osmosis-生殖
The other type are immature teratomas, and they develop specifically from neuroectoderm cells - which come from the ectoderm layer.
二种是未成熟畸胎瘤，专门由神经外胚层细胞发育而来，来自外胚层。
Osmosis-生殖
The four major types of germ cell tumors are: fetal teratomas, both mature cystic and immature teratomas; yolk sac tumors, or endodermal sinus tumor, choriocarcinoma or placental tissue tumors and finally dysgerminomas or oocyte tumors.
4种卵巢细胞癌如下：畸胎瘤，包括成熟囊性畸胎瘤和未成熟畸胎瘤；卵黄囊瘤，又叫内胚窦瘤；绒毛膜癌，又叫胎盘组织肿瘤；最后是无性细胞瘤，又叫卵母细胞瘤。
英语百科
Immature teratoma
An immature teratoma is a rare type of malignant (cancerous) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs).
Like a mature teratoma, it contains several different types of tissue such as hair, muscle, and bone. Unlike a mature teratoma, it contains primitive neuroepithelium.
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