Question

Identify the role(s) of glia in the vertebrate nervous system.

Select all that apply.
1. Glia release neurotransmitters.
2. Glia protect the nervous system from pathogens.
3. Glia guide neuron migration during development of the CNS.

Answer 1

Glia in the vertebrate nervous system 3. guide neuron migration, protect the nervous system from pathogens, and do not release neurotransmitters.

Step-by-step explanation:

Glia are a class of non-neuronal cells in the central nervous system (CNS) and peripheral nervous system (PNS) that support neurons by providing nutrients and insulation, among other things. Glia have several important roles in the vertebrate nervous system. These roles can be noted as -

1. Glia guides neuron migration during the development of the central nervous system (CNS). Radial glia serve as scaffolds for developing neurons as they migrate to their end destinations.
2. Glia protects the nervous system from pathogens. Herein, Microglia scavenge and degrade dead cells and protect the brain from invading microorganisms.
3. Glia releases neurotransmitters. This statement is false; glia does not release neurotransmitters.