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Astrocytes
Star shaped
End feet wrap around capillaries
Strengthen endothelial barrier
Astrocytes Functions
Structure - synaptic support + scaffold
Nutrition - supply energy/nutrients
Waste - remove excess NTs
Control - blood brain barrier permeability
Homeostasis - ion balance
Injury - glial scars
Ependymal
Line brain ventricles + central canal
Simple cuboidal/columnar
Cilia - move CSF
Microglial Cells
Phagocytose debris/pathogens/necrotic tissue
Oligodendrocytes
Produce myelin for CNS
Multiple axons
Schwann Cells
Produce myelin for PNS
1 axon segment
Satellite Cells
Surround cell bodies in sensory/autonomic ganglia
Provide nutrition/support
Protect from heavy metals
Grey Matter
Cell bodies
Dendrites
Glial cells
Unmyelinated axons
White Matter
Myelinated axons
Subcortical tissue