Intro to Nervous System Flashcards
1
Q
What is a plexus?
A
Intermingling of anterior (ventral) rami nerve cell processes.
2
Q
What are the three types of neurons?
A
Multipolar (efferent), (pseudo)unipolar (afferent), bipolar
3
Q
What are the three supportive cells of the nervous system within the CNS?
A
Microglia, oligodendrocytes, astrocytes
4
Q
What are the functions of astrocytes?
A
Repair damage, assist in nutrient transfer
5
Q
Give an example of a peripheral microglial cell.
A
Schwann cell
6
Q
Define nerve
A
A bundle of cell processes in the PNS
7
Q
Define sensory nerve
A
A bundle of sensory (afferent) processes
8
Q
Define motor nerve
A
A bundle of motor (efferent) processes
9
Q
Define mixed nerve
A
A bundle of afferent and efferent processes
10
Q
What are examples of a mixed nerve?
A
Spinal nerve, dorsal and ventral rami
