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Genetic And Genomic Dissections Of Myelinating Glial Cell Development, Breanne Leigh Harty
Genetic And Genomic Dissections Of Myelinating Glial Cell Development, Breanne Leigh Harty
Arts & Sciences Electronic Theses and Dissertations
Myelin is a multilamellar sheath made by specialized glial cells that iteratively spiral and compact their plasma membranes around axon segments. In vertebrate nervous systems, myelination facilitates rapid action propagation and provides trophic support critical for neuronal survival. In the central nervous system (CNS), oligodendrocytes (OLs) extend many processes to simultaneously ensheath multiple axons, while in the peripheral nervous system (PNS), myelinating Schwann cells (SCs) pair 1:1 with a single axon segment. Elaboration of the myelin sheath is one of the most exquisite and complex examples of massive coordinated cellular shape changes in the vertebrate nervous system. Furthermore, the importance …