Chapter 9 Flashcards
0
Q
Cranial Nerves
A
Extend from the brain -12 pairs
1
Q
Brain
A
Neurons enclosed by skull
2
Q
Enteric Plexus
A
Network of nerves in GI tract
3
Q
Ganglia
A
Groups of cell bodies outside the brain and spinal cord
4
Q
Nerves
A
Bundles of many axons
5
Q
Sensory Receptors
A
Detect changes in the environment
6
Q
Spinal cord
A
Neurons enclosed by the vertebral column
7
Q
Spinal nerves
A
Extend from the spinal column
8
Q
Axon
A
Conducts impulses away from cell body
9
Q
Cell body
A
Contains nucleus, cannot regenerate since lacks mitotic apparatus
10
Q
Dendrite
A
Conducts impulses toward call body
11
Q
Mitochondria
A
Provide ENERGY for neuroma
12
Q
Myelin
A
Lipid and protein covering that insulates many axons and increases speed of nerve impulse transmission
