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Title: Ischiopagus Conjoined Twins Skeleton, 1720s
Caption: Conjoined twins are identical twins born with their bodies joined at some point and having varying degrees of residual duplication, a result of the incomplete division of the ovum from which the twins developed. Ischiopagus twins have fused lower half of the two bodies, with spines conjoined end-to-end at a 180 degree angle. These twins have four arms; two, three or four legs; and typically one external set of genitalia and anus. Image appeared in "Philosophical transactions", Volume 31-32 Number 377, Firgure 3 & 4, published 1720-23.
Category: ILLUSTRATION • black & white • Medical: History
Credit: Album / Science Source / Wellcome Images
Image size: 3314 × 4200 px | 39.8 MB
Print size: 28.1 × 35.6 cm | 1304.7 × 1653.5 in (300 dpi)