畸胎

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

：目的 颈部畸胎及畸胎样囊肿分析、总结。

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。

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

这条英国草蛇展示一种与连体双生有关的疾病，双畸胎。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.

无生殖腺体侵犯之原发性纵膈腔生殖芽细胞肿为罕见之肿，一般分为良性成熟畸胎及包含精细胞和非精细胞在内的恶性肿。

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

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、巨及脑部发育异常等。