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Fat particles from the kidneys of a large sheep and some viewed with the aid of a microscope (fig. 1, a-d; e-h; i-m) (illustrations to entry on Adeps); human allantois of twins, in two views (figs 2-3), and an allantois of a small aborted foetus (fig. 4) (illustrations to entry on Allantois) Etching by G. Bickham after himself, 1743. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.