Figure 5From: Subcuticular microstructure of the hornet's gaster: Its possible function in thermoregulationFig. a, the slits and their filliform "shutters" (FS) arranged concentrically around the epithelium that envelops the tracheal braid. Bar = 10 μm. Fig. b, an enlarged portion of Fig. a. Bar = 10 μm.Back to article page