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Neuron Structure

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Questions and Answers

What is the function of oligodendrocytes in the brain and spinal cord?

Oligodendrocytes produce the myeline sheath.

What is the term for the gap between the axon of one neuron and the dendrite of another?

A synapse.

What is the primary function of interneurons?

To act as a link between sensory and motor neurons.

What is the characteristic of multipolar neurons?

Having one axon and multiple dendrites. Signup and view all the answers

What is the term for the message that travels along a nerve fibre?

A nerve impulse. Signup and view all the answers

What is the electrochemical change that occurs during a nerve impulse?

A change in electrical voltage brought about by changes in chemicals. Signup and view all the answers

What is the main function of the cell body in a neuron?

The cell body contains the nucleus and is responsible for controlling and functioning of the cell. Signup and view all the answers

What is the primary function of dendrites in a neuron?

Dendrites carry nerve impulses towards the cell body. Signup and view all the answers

What is the purpose of the myelin sheath in a neuron?

The myelin sheath acts as an insulator, protects the axon from damage, and speeds up the movement of nerve impulses along the axon. Signup and view all the answers

What are the gaps in the myelin sheath called?

The gaps in the myelin sheath are called Nodes of Ranvier. Signup and view all the answers

What is the term used to describe any long extension of a nerve cell?

The term used to describe any long extension of a nerve cell is a nerve fibre. Signup and view all the answers

What is the outermost coil of a Schwann cell called?

The outermost coil of a Schwann cell is called the neurilemma. Signup and view all the answers