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Model credits and educational-use notice

This viewer is an instructional anatomy resource. It is not a diagnostic, surgical-planning, or patient-care tool, and it does not represent every anatomical variation.

Anatomy model sources

The skeleton, skull, exploded-skull, skull-base, upper-limb, and lower-limb files are browser-oriented adaptations of models from Z-Anatomy, the libre 3D atlas of anatomy.

Z-Anatomy code and content, including these adapted model files, is distributed under the Creative Commons Attribution-ShareAlike 4.0 International license. Preserve this attribution and the same license when redistributing the model files or adaptations of them.

Z-Anatomy — The libre 3D atlas of anatomy — CC BY-SA 4.0.

Upstream anatomy data

Z-Anatomy identifies BodyParts3D as the original model base and requests the following attribution:

BodyParts3D — The Database Center for Life Science — CC BY-SA 2.1 Japan.

See the Z-Anatomy license and attribution notice and the BodyParts3D license page for the source notices.

Changes made for this viewer

The Z-Anatomy source models were modified for web-based teaching in 2026. Changes include bilateral mirroring where source geometry supplied one side, applied transforms and repaired normals, per-object materials for selection, focused regional derivatives, an exploded-skull arrangement, Draco web compression, camera presets, and instructor-reviewed teaching annotations. The muscular-system review preview combines the source muscular collections with the completed skeleton, omits organizational helper objects, applies complete mirrored transforms, evaluates source modifiers, recalculates normals, preserves source-assigned tendon regions, and assigns separate muscle, fascia, tendon, sheath, and bursa colors. Source origin/insertion surface meshes are shown as provisional selected-structure overlays. Anatomical alignment and attachment relationships remain under review.

Viewer implementation

Viewer interface and instructional configuration: Shawn Anthony Clavell, DPT. The site uses Google's open-source <model-viewer> web component.