The effect of exposure to sustained hypoxia (SH, 6

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The effect of exposure to sustained hypoxia (SH, 6 The effect of exposure to sustained hypoxia (SH, 6.0 kPa for 7 days) on Type I cell morphology. The effect of exposure to sustained hypoxia (SH, 6.0 kPa for 7 days) on Type I cell morphology. (A) Cell density (cells mm−1 filament), (B) cell volume (μm3) and (C) cell length (μm) in Type I cells in various locations in the gill filament of bowfin exposed to normoxia or to sustained hypoxia with or without access to air. There were no significant differences in cell density and cell volume at the different locations in bowfin exposed to normoxia or sustained hypoxia. Different letters above the bars indicate significantly different values within a certain location (P<0.05). eFA epi, efferent filament artery in the top layer of the epithelium; eFA bas, efferent filament artery near basal lamina; aFA epi, efferent filament artery in the top layer of the epithelium; aFA bas, efferent filament artery near basal lamina. Values are means ± s.e.m. Cosima S. Porteus et al. J Exp Biol 2014;217:1269-1277 © 2014. Published by The Company of Biologists Ltd