Scientists have developed the first 3D-printed brain tissue that can grow and function like typical brain tissue. The printed cells reach through the medium to form networks comparable to human brains. The neurons communicate, send signals, and interact with each other through neurotransmitters.
https://news.wisc.edu/uw-madison-researchers-first-to-3d-print-functional-human-brain-tissue/
https://redd.it/1aht4dj
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https://news.wisc.edu/uw-madison-researchers-first-to-3d-print-functional-human-brain-tissue/
https://redd.it/1aht4dj
@r_sciencegeeks