Takemura et al. (2013)
The right part of the brain of a wild-type Oregon R female fly was serially sectioned into 40-nm slices. A total of 1,769 sections, traversing the medulla and downstream neuropils, were imaged at a magnification of 35,000.
S. Takemura, A. Bharioke, Z. Lu, A. Nern, S. Vitaladevuni, P. K. Rivlin, W. T. Katz, D. J. Olbris, S. M. Plaza, P. Winston, T. Zhao, J. A. Horne, R. D. Fetter, S. Takemura, K. Blazek, L. Chang, O. Ogundeyi, M. a. Saunders, V. Shapiro, C. Sigmund, G. M. Rubin, L. K. Scheffer, I. a. Meinertzhagen, and D. B. Chklovskii. A visual motion detection circuit suggested by Drosophila connectomics. Nature, 2013.