rachiopagus

ra·chi·op·a·gus

(rā'kē-op'ă-gŭs),
Conjoined twins united back to back with union of their spinal columns. See: conjoined twins.
Synonym(s): rachipagus
[rachio- + G. pagos, something fixed]

rachiopagus

[rā′kē·op′əgəs]
Etymology: Gk, rachis, backbone, pagos, fixed
conjoined symmetric twins united back to back along the spinal column. Also called rachipagus.

rachiopagus

(rā″kē-ŏp′ă-gŭs) [″ + pagos, thing fixed]
A conjoined twin deformity in which the two are joined at the vertebral column.
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