... is activated by wg but repressed by dpp . During imaginal disc patterning, dpp and wg cooperatively activate dll and also indirectly inhibit the nuclear localization of Extradenticle (Exd), which divide the leg into distal and proximal domains. In the grasshopper Schistocerca americana , the early expression...

... afferent growth cones turn at, and migrate along, the edge of one alkaline phosphatase-expressing epithelial domain. * Author for correspondence 11 03 1993 © 1993 by Company of Biologists 1993 alkaline phosphatase Schistocerca americana limb development epithelial...

... Schistocerca americana The guidance of neuronal growth cones to appropriate targets during embryonic development is a requisite event in the formation of functional connections within a nervous system. Growing axons often travel relatively long distances through a changing environment of cell surfaces...