To describe a cut through the body, or a scan of it, we use three flat planes. Each one slices a different way. Pick one and watch it sweep through. The small box shows the section, or slice, that the cut would show.
Sagittal plane
Body planesthree ways to slice
Choose a plane
📷 Reference image
A real labeled figure to compare with the interactive above.
Body Planes & Sections — OpenStax, CC BY 4.0 (via Wikimedia Commons)