Nervous System Flashcards
1
Q
Central nervous system is made up of…
A
Spinal cord
Brain
2
Q
Neurons are made up of…
A
Nucleus
Cell body
Dendrites
Axon
3
Q
Receptors
A
Thermo
Mechano
Noci (pain)
4
Q
Axon consists of
A
Schwan cell
Myelin Sheath
Node of Raniver
5
Q
Endoneurium
A
Contains myelin sheath
6
Q
Fascicle
A
Bundle of axons
7
Q
Perineurim
A
Thick, fibrous, stiff; encloses fascicle
8
Q
Epineurium
A
Loose connective tissues, protects nerve; support, cushion, provides blood supply to nerves
9
Q
Afferent signals
A
Sensory neurons
10
Q
Efferent signals
A
Muscular control
11
Q
Sypathetic
A
“Fight or flight”
Sypathetic ganglion
12
Q
Parasympathetic
A
“Rest and relax”
13
Q
Autonomic
A
Organ functions
14
Q
Somatic
A
Sensory information
Controlling muscles
15
Q
Brachial plexus
A
- roots
- trunks
- divisions
- cords
- branches