双头畸胎
习惯用语dicephalus dipus dibrachius
二臂二足双头畸胎：双头怪胎，但是只有二足和二臂dicephalus dipus tetrabrachius
四臂二腿双头畸胎：双联怪胎，两部分各有一头及一对臂，但是只有二腿，躯干上部呈不同程度的融合dicephalus dipus tribrachius
三臂二腿双头畸胎：双头双足怪胎，但正中有第三臂或发育不全的残臂dicephalus dipygus
躯干部联胎：同anakatadidymusdicephalus parasiticus
双头寄生胎：同desmiognathusdicephalus tripus tribrachius
三臂三腿双头畸胎：一个躯干，双头，三臂及三腿怪胎，第三个肢体可能发育不全也可能发育完全- uterosalpingography
- uterosclerosis
- uteroscope
- uterothermometry
- uterotomy
- uterotonic
- uterotropic
- uterotubal
- uterotubography
- uterovaginal
- uteroventral
- uteroverdin
- uterovesical
- uterus
- Utibid
- Uticillin VK
- UTP
- UTP-glucose-1-phosphate uridylyltransferase
- utricle
- utricular
- utriculi
- utriculitis
- utriculosaccular
- utriculus
- utriform