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. 2022 Apr 7;14:833431. doi: 10.3389/fnagi.2022.833431

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Copyright © 2022 Han, Song, Ding, Wang, Yan, Huang and Ma.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The composition of neurovascular unit. The figure depicts the composition of neurovascular unit and the relationship between the parts in NVU. Neurons, astrocytes, microglia, vascular cells and extracellular matrix together constitute the basic structure of NVU. Astrocytes play a vital role in NVU via connect neurons and vascular cells with the end feet, and carry out information transmission with microglia.