Human skull, with bones of the sacrum, femur (shown in cross-section), and a variety of small bones. Etching Lavalée after J. Gamelin, 1778.

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Human skull, with bones of the sacrum, femur (shown in cross-section), and a variety of small bones. Etching Lavalée after J. Gamelin, 1778. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.