Nerves Flashcards
1
Q
Nerve
A
One or more budle of neurons that connect the brain and spinal cord w other parts of the body
2
Q
tract
A
Bundle or group of nerve fibers located within the brain or spinal cord
3
Q
Ascending nerve tracts
A
Carry nerve impulses towards the brain
4
Q
Descending nerve tracts
A
Carry nerve impulses away from the brain
5
Q
Ganglion
A
Nerve center made up of nerve cell bodies outside of the CNS
6
Q
Innervation
A
Supply of nerves to a specific body part
7
Q
Plexus
A
Network of intersecting spinal nerves
8
Q
Receptors
A
Sites in the sensory organs that receive external stimulation, send the stimulus through the sensory neurons to the brain for interpretation
9
Q
Stimulus
A
Anything that excites a nerve and causes an impulse
10
Q
Impulse
A
Wave of excitation transmitted through nerve fibers and neurons
