Image of mitochondrial cristae of mouse pancreatic beta cells acquired during the FIB-SEM acquisition. Recorded on FEI Helios NanoLab 660 G3 UC by I. Krejzová.

SEM image of benthic pennate diatom (Chamaepinnularia krookiformis) isolated from Lachman lake in Antarctica. Organic matherial was degradated using anorganic acid. Recorded on FEI Helios NanoLab 660 G3 UC by I. Krejzová.

SEM image of stereocilia bundles of mechanosensory hair cells in cochlea responsible for hearing. Sample was prepared using critical point drying. Recorded on FEI Helios NanoLab 660 G3 UC by M. Dalecká.

TEM image of a "ghost" in human lung cancer tissue. Acquired on Jeol JEM2100Plus by J. Mikšátko (sample by MUDr. I. Tietzová).