A conjoined twin or double-bodied monster in ancient medical and mythological texts.
From Greek 'dero-' or 'der-' (skin) + 'adelphus' (brother). A rare medical term from classical antiquity describing congenital anomalies, often recorded in ancient texts about monstrous births.
Ancient Greeks had specific names for different types of conjoined twins! Deradelphus showed up in early medical literature alongside other 'monster' terms—it's fascinating how older medical writing tried to categorize human variation.
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