Blood-brain barrier. Fluorescence light micrograph of the dense network of blood vessels (red) and cell nuclei (blue) forming part of the blood-brain
Blood-brain barrier. Fluorescence light micrograph of the dense network of blood vessels (red) and cell nuclei (blue) forming part of the blood-brain barrier in a mammalian brain. This sample is from mouse brain tissue that was optically cleared to look deeper into the tissue than otherwise possible. The brain's blood vessels are nearly impermeable, allowing only the passage of key nutrients while blocking that of harmful substances. This blood-brain barrier (BBB) also excludes most drugs. By designing drug-containing nanoparticles that can cross the BBB, researchers aim to deliver drugs to cancers in the brain. This image was created in 2016, as part of nanomedical research carried out at the California Institute of Technology, USA.
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Photo credit: © NATIONAL CANCER INSTITUTE/California Institute of Technology/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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