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Astrocyte

Astrocytes have a branching structure made of primary and secondary branches. The smaller branches that grow off the primary branches allowing astrocytes to interact with many synapses

Processes (Branching Arms)

Secondary & Tertiary Processes

These end in tiny expansions called endfeet or perisynaptic processes

Astrocytes connect with each other through gap junctions, forming a network called the astrocytic syncytium.

Perisynaptic Endfeet

Perisynaptic astrocyte processes are the small extensions of astrocytes that wrap around synapses.

Remove excess neurotransmitters

Help control synaptic strength