Neuroglia

Question 1

What is neuroglia?

Answer 1

nerve glue

Question 2

do neuroglia generate or propagate a nerve impulse?

Answer 2

no

Question 3

How is neuroglia different from neurons?

Answer 3

neuroglia can multiply very well

Question 4

Are neuroglia bigger or smaller than neurons?

Answer 4

smaller

Question 5

How many types of neuroglia are there and where are they located?

Answer 5

6 types
4 types in CNS
2 types in PNS

Question 6

What are the 4 types of neuroglia in the CNS?

Answer 6

astrocytes
oligodendrites
microglia
ependymal cells

Question 7

star shaped
attach neurons to nutrient supply
mop up excess neurotransmitters and ions
form the blood-brain barrier

Answer 7

astrocytes

Question 8

produce the myelin sheath that surrounds the axons of neurons in the CNS

Answer 8

oligodendrocytes

Question 9

monitor changes
clean up debris
kill disease causing microbes by phagocytosis

Answer 9

microglia

Question 10

means “wrapping a garment”

Answer 10

ependymal cells

Question 11

found lining the ventricles of the brain (cavities filled with CSF) abd the central canal of the spinal cord (forms the blood-CSF barrier)

Answer 11

ependymal cells

Question 12

What forms the blood brain barrier?

Answer 12

astrocytes

Question 13

What forms the blood-CSF barrier?

Answer 13

ependymal cells

Question 14

What are the 2 neuroglia in the PNS?

Answer 14

schwann cells aka neurolemmocytes

satellite cells

Question 15

produce the myelin sheath on axons in the PNS

Answer 15

schwann cells aka neurolemmocytes

Question 16

flattened cells that surround cell bodies in ganglia, provide for homeostasis of ions for neurons

Answer 16

satellite cells

Question 17

What do schwann cells (neurolemmocytes) produce?

Answer 17

myelin sheath on axons in the PNS

Question 18

What do satellite cells provide?

Answer 18

homeostasis of ions for neurons