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Anatomy & Physiology · Chapter 4

Tissue Repair

When tissue is hurt, the body follows the same repair plan every time. It will stop the bleeding, clean up, rebuild, and remodel. Step through a healing wound.

Injury & bleeding

Injurystep 1 of 4

The healing steps

Regeneration vs. scar: Tissues whose cells can divide can regenerate the real thing. Skin and gut cells are labile. Liver cells are stable. Tissues whose cells cannot divide heal with a fibrous scar instead. Neurons and heart muscle cells are permanent.
📷 Reference image
A real labeled figure to compare with the interactive above.
Tissue Repair reference figure
Tissue Repair — OpenStax, CC BY 3.0 (via Wikimedia Commons)