Table 1. Comparison of Apis mellifera brain structure volumes calculated from 3D surface reconstructions of segmented NMR and CLM datasets.

Neuropil Volume NMR [107µm3] Volume CLM [107µm3] Ratio NMR / CLM medulla 5.99 ± 0.42 5.73 ± 0.62 1.05 lobula 1.95 ± 0.14 1.65 ± 0.14 1.18 antennal lobe 1.40 ± 0.10 1.08 ± 0.15 1.29 median calyx 1.52 ± 0.11 1.24 ± 0.13 1.23 lateral calyx 1.76 ± 0.13 1.35 ± 0.14 1.30 mushroom bodies w/o calyces 1.30 ± 0.09 1.58 ± 0.15 0.82