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. 2012 May 23;279(1742):3482–3490. doi: 10.1098/rspb.2012.0475

Figure 3.

Figure 3.

Entire rhabdom areas (thick line) and rhabdomere areas of R1–8 in: (a) type I (open circles denote total Rh area; filled triangles, R1 (large at distal); inverted triangles, R2 (small at distal); open triangles, R3 + 4; filled circles, total R5–8); (b) type II (open circles denote total Rh area; filled triangles, R1 + 2; open triangles, R3 + 4; filled circles, total R5–8); and (c) type III (open circles denote total Rh area; filled triangles, R1 + 2; open triangles, R3 + 4; filled circles, total R5–8) ommatidia. The rhabdomere areas were calculated by multiplying rhabdom areas by rhabdomere fractions, which were estimated from typical electron micrographs at each depth. Data are means ± s.e.