OWL FEATHERS
ARCHAEBACTERIA AND IMMUNESYSTEM
OCTOPUS PARALARVA
NOTCH LIGANDS IN MOUSE SPLEEN STROMAL CELLS
ANTIBIOTICS ATTACKING BACTERIA CELLWALL
NEURON OF RAT HIPPOCAMPUS
ANTHRAX ENGULFED BY IMMUNE CELLS
MURINE AORTIC ARCH
ANTHRAX BACILLUS SPORES VIEWED UNDER A MICROSCOPE IN A CELL CHAMBER TO MEASURE CONCENTRATION
ANALYSIS OF CELLS TARGETED BY SALMONELLA
MOUSE TONGUE
ANAEROBIC BACTERIA STAINED WITH RHODAMINE
MOUSE SKIN
A WASP EGG IS VISIBLY INFESTED WITH WOLBACHIA BACTERIA
MOUSE RETINA
MOUSE RETINA CLOSE-UP