Figure 1: The role of clathrin, adaptin and yolk protein receptors in the internalization of yolk proteins by developing oocytes (figure adapted from Alberts et al.,1994, Molecular Biology of the Cell)
Figure 2: Germarium removed from Canton-S female Drosophila melanogaster 24 h post eclosion, and viewed under bright field (top), and immunofluorescence (bottom), microscopy. Image stained for clathrin immunopositive material showing more intense staining in the pre- and partially vitellogenic oocytes (right) than in the fully developed stage 14 egg (left)