Abstract

The neurovascular unit (NVU) encompasses multiple cellular elements such as the BBB, astrocytes, microglia, and pericytes. Together, these components form a system that aids in the removal of waste products, toxins, and surplus neurotransmitters from the brain tissue. The NVU's functions include circulatory regulation, perivascular drainage, and phagocytic degradation clearance systems. Its pivotal role lies in preserving brain homeostasis and thwarting the buildup of detrimental substances that might otherwise impede regular brain function.