Art style: Vintage Storybook.
Mid-section and lower part of the humerus illustration on vintage textured paper. Detailed pencil sketch showing the cylindrical body, the nerve groove, and the widened bottom condyles. Clean lines, slight shadows for depth.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Vintage Storybook" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Vintage Storybook". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Vintage Storybook" idiom, not in any other medium.
