Fig. 2.
Camera lucida drawing of DB3 bipolar cell axons from a whole-mounted macaque retina. Individual DB3 axons terminals were difficult to distinguish, because neighboring axons often contacted each other (arrowheads). These are probably sites of gap junctions between DB3 cells. Second- and third-order axonal branch points typically occurred at varicosities (arrows). Scale bar = 100 μm.
