Fig. 5

a SBSEM image of block face showing parts of lamellar cells b9 through b12 (labeled on the nuclei). For b10, asterisks indicate vacuoles dorsal and ventral to the nucleus, and arrowheads indicate sarcoplasmic reticulum vesicles. DMC and VMC are, respectively, dorsal and ventral Müller cells. Scale bar (also applicable to b) = 5 μm. b SBSEM image of block face showing parts of lamellar cells b3 and b4 (labeled on the nucleus). Abbreviations as in (a)