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. 2015 Feb 11;35(6):951–958. doi: 10.1038/jcbfm.2015.3

Figure 5.

Figure 5

Glycogen and mitochondria in P0 RON. (A and B) Higher power electron micrographs of P0 RON in cross-section, showing an astrocyte process containing endoplasmic reticulum (‘ER'), mitochondria (‘Mt') and glycogen particles (arrows). Mitochondria are also found in axon profiles (A). (C) The mitochondrial volume fraction in axons, astrocytes, and oligodendroglia in P0 and P10 RON. Note that only oligodendroglial cells in P10 RON have an elevated mitochondrial volume fraction and that P0 axons have a similar mitochondrial volume fraction to other cellular elements (“***”P<0.001 versus all other means). (D) Low power electron micrograph collage showing the location of all glycogen particles (which were only found in the astrocyte soma and processes; green dots) and mitochondria (only axonal mitochondria are shown; pink dots). Blue dots represent glycogen particles within astrocyte processes that could not be traced back to the main cell in the center of the section. The location of A and B are also indicated. Scale=1 μm (A and B) and 2 μm (C). RON, rat optic nerve.