Microglia help protect the brain by eating microbes that may enter the brain.

Microglia help protect the brain by eating microbes that may enter the brain. Oligodendrocytes are important in the formation of the blood-brain barrier.

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Explanation:

explanation:

for example, code 28039 - excision, tumor, soft tissue of foot or toe, subcutaneous, 1.5 cm or greater, appears before 28043 - excision, tumor, soft tissue of foot or toe, subcutaneous; less than 1.5 cm.

having the certification could make the person more required to do a certain thing then another.this could also lead to different job offers or opportunities.