- heteradelphus
- Unequal conjoined twins in which the smaller incomplete parasite is attached to the larger, more nearly normal autosite. See conjoined twins, under twin. [heter- + G. adelphos, brother]
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het·er·a·del·phus (het″ər-ə-delґfəs) [heter- + -adelphus] asymmetrical conjoined twins; see under twin.
Medical dictionary. 2011.