lecture 4

Question 1

Golgi

Answer 1

made silver stains and discovered the “nerve net”

- didnt recognize as indiviudual strucutres instead thought continuous network

Question 2

cajal

Answer 2

NS is made of discrete cells

- neuron hypothesis

Question 3

3 basic subdivisions of neurons

Answer 3

dendrites- gather info from other neurons
cell body- integrating the information
axon- carries information to be passed on

Question 4

4 divisions of axons

Answer 4

axon hillock- AP begins
axon collateral- branch of axon
teleodendria- end branches of axon
terminal button- end food, conveys information to other neurons

Question 5

3 basic types of neurons

Answer 5

1. sensory neurons
2. interneurons
3. motor neurons

Question 6

diff between glial cells and neurons

Answer 6

glial cells dont send information

are regularly produced

Question 7

epedymal cells

Answer 7

make CSF

Question 8

astrocytes

Answer 8

structure, BBB, enhance brain activity, transportation

Question 9

microglia

Answer 9

immune function

Question 10

oligodendroglia and schwann cells

Answer 10

oligo- Central nervous system
- no repair
schwann cell- Peripheral nervous sytem
- can be repaired