Transcription Flashcards
1
Q
what are the four main functions of Glial cells?
A
-support and hold neurons in place
-to supply nutrients and oxygen
-insulate neuron electrically
-protect them from pathogens
2
Q
what are astrocytes?
A
-star shaped glial cells
3
Q
what are the roles of Astrocytes?
A
- support and protect neurons
-contribute to the blood brain barrier
-protect brain from toxins and drugs in the blood
-projections contact capillaries and neurons
-control and coordinate other types of glial cells
4
Q
What are capillaries?
A
-tubes made up of a mosaic of endothelial cells
5
Q
What determines how permeable a capillary is?
A
how well the cells fit together