Researchers have designed a skin-graft adhesive containing microneedles that swell when exposed to moisture. The swelling action is reversible, causes only minimal damage to soft tissue and can be removed with less trauma than staples, the researchers said. The adhesive is based on the spiny-headed worm Pomphorhynchus laevis, which attaches to its host's intestinal wall by puncturing it with a spine, then inflating its head inside the tissue.
Intestinal worm inspires experimental skin-graft technique
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