A & P Neurons and Their Functions Practice

Front

What part of the neuron carries impulses away from the soma?

Back

Axon

Front

What is the axon hillock?

Back

The part of the neuron where the axon joins the cell body.

Front

What is the soma in a neuron?

Back

The cell body of the neuron.

Front

What are axon terminals?

Back

Fine projections at the end of an axon that pass the impulse toward the next neuron.

Front

What is the main role of a neuron?

Back

To pass impulses from the brain to the body or body to the brain.

Front

What are dendrites?

Back

Branch-like structures that receive messages from other neurons.

Front

What is myelin sheath?

Back

A fatty layer that insulates the axon and speeds up impulse transmission.

Front

What are nodes of Ranvier?

Back

Gaps in the myelin sheath that facilitate rapid signal conduction.

Front

What is the function of Schwann cells?

Back

Cells that produce the myelin sheath around axons in the peripheral nervous system.

Front

What is synaptic transmission?

Back

The process of transferring signals between neurons at the synapse.