Fig. 5. Forked proteins are present in newly emerging bristles but absent from surrounding socket cells. Confocal image of a sprouting thoracic macrochaete from a 33-hour pupa stained with anti-forked antibody (green) and phalloidin (red). Signal overlap is seen as yellow. The perimeter of the socket cell (SC) is outlined with a dashed line. Bar, 5 µm.