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

受影响的胎儿和新儿存在典型的较重的面缺陷，例如独眼胎。

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

摘 要 ：目的 胎瘤及胎样囊肿分析、总结。

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

这条英国草蛇展示一种与连体双有关的疾病，双胎。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.

摘要无腺体侵犯之原发性纵膈腔细胞肿瘤为罕见之肿瘤，一般分为良性成熟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.

摘要致死性胎是最常见的致死性新儿侏儒症其特点为短小的四肢、小胸、巨及脑发育异常等。