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Nervous System

Types of Nerve Fibers in Peripheral Nerves
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Slide 16: Three unmyelinated nerve bundles in the olfactory mucosa. H&E. Note the absence of myelin. Do the nuclei within this bundle belong to the same cell types as in myelinated nerve bundle? ANSWER: Yes. Even non-myelinated fibers are ensheathed by Schwann cells (see textbook). The dark staining structures are glands of the olfactory mucosa and if you are reviewing this at the end of the course find and identify the three blood vessels in the field. (vein, large venule, small venule).