LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY
Collagen sponge. Person injecting a collagen sponge with a fluid (red) to show its absorption characteristics. Collagen sponges could be used as wound (burn) dressing material, a matrix for bone and cartilage repair, an intravaginal contraceptive diaphragm and as surgical tampons.
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