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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Retina. 2018 Mar;38(3):445–461. doi: 10.1097/IAE.0000000000001946

Figure 4. Mitochondrial abundance in inner segment ellipsoids.

Figure 4

Retina of 10-year-old male Macaca Mulatta. A. Mitochondria per inner segment ellipsoid (ISel) in cones of rod-free regions (1–2 on x-axis) and cones and rods of perifoveal regions (3–6 on x-axis) in macaque. Standard error bars are smaller than the symbols. B. Diameter of mitochondria, mitochondria area fraction, and electron density for cone ISel in macaque. Bars, standard error. C. Numerical density of mitochondria in ISel as a function of distance from the ISel center, near myoid (top) and near OS (bottom), in macaque. Numerical density was calculated with 5 elliptical annular zones, centered on ISel geometric center with a major radius of 0.475 μm and a minor radius of 0.375 μm. Each point in a region is an average of cones in 6 micrographs for that level. Zones 4 and 5 in Region 2 (fovea) have no mitochondria because they extend outside the diameter of the ellipsoid (2.04 μm for near OS). Regions 4 and 6, rod-containing perifovea. Bars, standard error.