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Pronunciation: jan'i-seps

Definition: Conjoined twins with their two heads fused together, with the faces looking in opposite directions.

See: conjoined twins, under twin

[L. Janus, a Roman diety having two faces, + caput, head]

See Also: craniopagus, syncephalus

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.