您要查找的是不是：
- gastrothoracopagus dipygus [医] 双臀腹胸联胎
- She was born a dipygus, meaning that she had two separate pelvises side by side from the waist down. 她生出来的时候就是双臀畸形,也就是说她腰部下来两边分别有一个独立的骨盆。
- dicephalus dipygus [医] 躯干部联胎, 中腰联胎
- dipygus parasiticus [医] 不对称性双臀畸胎
- dipygus tetrapus [医] 四足双臀畸胎
- dipygus tripus [医] 三足双臀畸胎
- gastrothoracopagus [医] 腹胸联胎
- dipygus [医]双臀畸胎
