Mini-Brain (IMAGE)

Johns Hopkins Medicine

Mini-Brain

Caption

'Mini-brain' bioengineered from human stem cells. The ball is about one third of a millimeter and contains about 30,000 cells. The cell nuclei are blue. The SARS-CoV-2 virus is stained red, indicating that a small fraction of brain cells carries a large number of virus particles. This means that virus has multiplied in infected cells.

Credit

Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health

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