Student Project Figures Figure 3 Expanded cross-sectional view of a septum, highlighting regions of absorption. Stippling indicates zones of dissolved molecule absorption, solid squares indicate absorption of macromolecules, open circles indicate absorption of larger (few µm) particles, arrows represent currents from flagella leaving coelenteron. Adapted from Shick (1991) and Ruppert et al. (2004). Figure 2 Figure 3 Figure 4