Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 4 - Section 4.4 - Nervous Tissue Communicates - Biology Matters: 2

Answer

Microglia support neurons and engulf bacteria along with other cellular debris. Astrocytes provide nutrients to neurons and produce the hormone glial-derived neurotrophic factor. Oligodendrocytes form myelin sheaths, which protect fibers in the brain and spinal cord. Schwann cells are a type of neuroglia that encircle long nerve fibers and form a myelin sheath.

Work Step by Step

Microglia support neurons and engulf bacteria along with other cellular debris. Astrocytes provide nutrients to neurons and produce the hormone glial-derived neurotrophic factor. Oligodendrocytes form myelin sheaths, which protect fibers in the brain and spinal cord. Schwann cells are a type of neuroglia that encircle long nerve fibers and form a myelin sheath.
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