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- lithocholyltaurine
- lithoclast
- lithocystotomy
- lithodialysis
- lithogenesis
- lithogenic
- lithogenous
- lithokelyphopedion
- lithokelyphos
- litholabe
- litholapaxy
- lithology
- litholysis
- litholyte
- litholytic
- lithometer
- lithomoscus
- lithomyl
- lithonephritis
- lithonephrotomy
- lithopedion
- lithoscope
- Lithostat
- lithotome
- lithotomist