Cells in the Nervous System

2. Branch-like extensions from the cell body.
6. A long, thin fiber extending from the cell body.
7. Star-shaped cells found in the CNS
8. Produce myelin sheath that insulates axons to speed up electrical signals.
9. The small gap where neurons communicate with each other using neurotransmitters.
10. Small cells acting as the immune defense in the CNS.
12. Gaps in the myelin sheath along the axon.

1. Nerve cells responsible for sending and receiving messages throughout the body using electrical and chemical signals.
3. Non-neuronal cells in the nervous system that provide support and protection for neurons.
4. Aid in nerve regeneration after injury.
5. The endpoints of an axon.
10. Insulates the axon and speeds up nerve signal transmission.
11. Produce and circulate cerebrospinal fluid.