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. Author manuscript; available in PMC: 2012 Sep 15.
Published in final edited form as: Respir Physiol Neurobiol. 2011 Jun 15;178(2):210–217. doi: 10.1016/j.resp.2011.06.003

Figure 6.

Figure 6

Representative electron micrographs of myelin ultra-structure in transverse sections of P10 optic and trochlear nerves under IA or IH (8% FIO2) exposures, respectively. The transverse sections for EM examination were prepared from distal optic nerve (A) and trochlear nerve (B). (C) The average of axon diameters and g-ratios categorized by axon diameter range in IA- and IH-exposed groups. N: the number of total axons randomly captured from three different fields of each section per pup and three pups for each group. Error bar: standard deviation. Scale bar: μm. * represents p<0.01