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Fig. 6. Notch, Egfr and Wg signaling pathways intersect to regulate furrow initiation. Expression of proteins named in each panel controlled by dppblk-GAL4. Arrows show ectopic furrows, arrowheads indicate furrow inhibition. Anterior is towards the right; F-actin is in red; Elav in green. (A) Both birth and reincarnation affected. (B-D) Ectopic furrows. (E,F) Only reincarnation affected.