The affected fetuses and neonates typically have severe facial defects, such as cyclopia, as well.

受影响的胎儿和新生儿存在典型的较重的面部缺陷，例如独眼畸胎。

Abstract： Objective To analyze teratomas and teratoid cyst of the head and neck.

摘 要 ：目的 头颈部畸胎瘤及畸胎样囊肿、结。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示种与连体生有关的，头畸胎。这是在发育阶段由高温孵化造成的。

Primary mediastinal germ-cell tumors (GCTs) without gonadal involvement are rare and can be divided into benign mature teratoma and malignant seminoma or nonseminoma.

摘要无生殖腺体侵犯之原发性纵膈腔生殖芽细胞肿瘤为罕见之肿瘤，般为良性成熟畸胎瘤及包含精细胞瘤和非精细胞瘤在内的恶性肿瘤。

Thanatophoric dysplasia (TD) is the most common form of lethal neonatal dwarfism with micromelic shortening of the limbs, macrocephaly, platyspondyly, and reduced thoracic cavity.

摘要致死性畸胎是最常见的致死性新生儿侏儒症其特点为短小的四肢、小胸、巨头及脑部发育异常等。