Fig. 7. Periplasmic cone.

A. 2 nm section through the periplasmic cone of cell #1 (scale bar is 40 nm).

B. 3-D view of cell #1, showing an isosurface of the periplasmic cone and manual segmentations of the outer and inner membranes.

C. 6 nm section through two connected cells (#7 left and #7a right). The two periplasmic cones abut each other in the shape of an hourglass. Cell #7 was also noteworthy, because its cytoplasm was packed with ~30-nm-wide, spherical bodies (scale bar is 100 nm).