Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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Credit
The muscles of the left leg, seen from the front, and the bones and muscles of the right leg seen in right profile, and between them, a patella. Drawing by Michelangelo Buonarroti, ca. 1515-1520. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.