- After storage, thick transversal sections were made with a razor blade.
- Radiating and transversal markings common on internal surface of valves or on steinkerns.
- A faint transversal line may indicate the posterior border of the seventh sternite.
- Indeed, the electron microscopy pictures of the transversal cuts show this last organization and demonstrate the embodiment of the nanotubes.
- Arrowheads indicate the planes of the transversal cuts in panels (A) and (B).