- synadelphus
- Conjoined twins with single head, partially united trunk, and four upper and four lower limbs. See conjoined twins, under twin. [syn- + G. adelphos, brother]
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syn·a·del·phus (sin″ə-delґfəs) [syn- + -adelphus] conjoined twins with a single body and eight limbs.
Medical dictionary. 2011.