Nerve Cells Review

Front

What are microglia?

Back

Small cells in the CNS that engulf and destroy microbes and cellular debris.

Front

What is the primary function of microglia cells?

Back

They act as the immune system for the brain.

Front

Where is myelin found?

Back

Myelin is found in Schwann cells.

Front

What is the function of Schwann cells?

Back

They produce myelin sheath around axons in the peripheral nervous system.

Front

What is a dendrite?

Back

A dendrite is a structure that receives signals from other neurons.

Front

What is the role of the axon?

Back

The axon transmits electrical impulses away from the cell body.

Front

What is the cell body of a neuron?

Back

The cell body contains the nucleus and organelles, and is responsible for maintaining the cell's health.

Front

What is a bipolar neuron?

Back

A type of neuron that has two extensions (one axon and one dendrite) from the cell body.

Front

What is the function of astrocytes?

Back

Astrocytes support neurons, maintain the blood-brain barrier, and regulate blood flow.

Front

What is the blood-brain barrier?

Back

A selective barrier that prevents certain substances in the bloodstream from entering the brain.