Biological Flashcards
1
Q
Nucleus
A
Houses genetic material
2
Q
Dendrite
A
Branches at the top end of a neuron
Receives messages from other neurons in order to trigger action potentials
3
Q
Axon hillock
A
Attaches the axon to the cell body
4
Q
Node of ranvier
A
Helps electrical impulses travel down the axon
5
Q
Myelin sheath
A
Fatty deposits around the outside of the axon
Protective insulating layer
6
Q
Axon
A
Long branch of nerve fibres
Passes electrical impulses to the axon terminals
7
Q
Axon terminals
A
Located at the end of the axon
Where the nerve impulse becomes a chemical message
8
Q
Terminal buttons
A
Bulb shaped structures
Contain tiny sacs called vesicles that store neuro transmitters
9
Q
Cell body
A
Main part of the cell
Houses the nucleus
