1 - CNS Cellular Components

Question 0

Astrocytes

Answer 0

Long cytoplasmic processes bridge neurons in the CNS
Provide mechanical and metabolic support for neurons
Contribute to the blood-brain barrier
Coordinates nerve pathway development

Question 1

Name 3 functions of glial cells

Answer 1

Maintain the ionic milieu of neurons
Modulate the rate of nerve signal propagation
Modulate the reputable of neurotransmitters at the synaptic cleft

Question 2

Oligodendrocytes

Answer 2

Provided electrical insulation for adjacent neurons (myelin sheath)
Limited number of dendritic processes

Question 3

Microglia

Answer 3

Phagocytic to protect neural tissue
Secrete signaling molecules (cytokines) to influence nerve cell life
Developed from hematopoietic precursor cells