glial cells Flashcards
1
Q
Glial cell
A
- supportive functions
- found in both CNS and PNS
2
Q
astrocytes
A
- regulate what happens in neural environment
- maintain blood-brain barrier
- control what concencetration of ions are
- release substances important for neural functions
3
Q
Microglia
A
- protection of neuron
- main line of immune defense for nervous system
4
Q
ependymal cells
A
-line and produce cerebral spinal fluid in CNS
5
Q
Oligodendrocytes
A
make myelin in the CNS
6
Q
Schwann cells
A
glial cell in the PNS
-Make Myelin in the PNS
7
Q
Satellite cells
A
dormant until activated to repair site of nerve
8
Q
myelin
A
- formed by glial cells
- oligodendrocytes - CNS
- Shwann cells -PNS
- made of lipids and proteins
- provides electrical insulation
- nodes of ranvier