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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: J Comp Neurol. 2017 Aug 21;525(16):3458–3475. doi: 10.1002/cne.24277

Figure 1.

Figure 1

Anterior visual pathway of the Drosophila brain. Schematic frontal view of brain hemisphere depicting the neuronal elements forming the anterior visual pathway, as described in Omoto et al. (2017). Medullo-tubercular (MeTu) neurons project via the anterior optic tract to the lateral and intermediate domain of the anterior optic tubercle; AOTU). Two hemilineages, DALcl1d and DALcl2d, form the tuberculo-bulbar (TuBu) neurons that connect the tubercle to the bulb (BU). Lineage DALv2, formed by one surviving hemilineage (Kumar et al., 2009), forms multiple classes of ring (R) neurons with dendrites in the bulb, and axons in the ellipsoid body (EB). These classes (symbolized by dark red and light red shading) comprise sublineages born at different developmental intervals (J.L. and V.H., unpublished). Box at bottom of diagram presents linear arrangement of the elements of the AVP.