Nervous System (Neuron Structure)

Question 1

What is the cell body of a neuron called?

Answer 1

Soma

Question 2

What are the 6 processes of a soma?

Answer 2

1. Axon
2. Axon hillock
3. Dendrites
4. Myelin
5. Nodes of Ranvier
6. Synaptic knobs

Question 3

What is an Axon Hillock?

Answer 3

Where soma narrows to become an axon

Question 4

What is an axon?

Answer 4

Thin long tubular structure that sends information away from soma

Question 5

What are dendrites?

Answer 5

Short highly branched processes on the soma that receive information.

Question 6

What is a myelin sheath?

Answer 6

An insulting layer around the axon that prevents electrical current leakage

Question 7

What are nodes of Ranvier?

Answer 7

Where myelin sheath indents; also facilitates rapid nerve impulses.

Question 8

What are synaptic knobs?

Answer 8

Button-like structure at the end of axons that form functional junctions between other neurons.