Researchers at Yale have overcome hurdles to create a functioning network of blood vessels that are capable of delivering oxygen to the smallest components of the body. Using a scaffolding created from a macroporous hydrogel polymer seeded with endothelial and nerve brain cells, they were able to coax the formation of the vessels from these components. This kind of research will go a long way to toward treating patients with nerve damage and opens new possibilites for studying how the body encourages and repels nerve growth.

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