Microglia
202211201925
Status:
Tags: Neuroanatomy
- Type of neuroglia (glial cell) in CNS
- Accounts for 10-15% of all cells in brain
- Resident macrophage cell → first and main form of active immune defense in CNS
- Breaks down plaques, damaged/unnecessary neurons/synapses, infectious agents
- Sensitive to pathological changes in CNS
- Potassium channels that responds to even small changes in extracellular potassium
