[[File:aeromonas.png|right|thumb|200px|<small><center>Transmission electromicrograph of Aeromonas salmonicida. A = A layer, OM = bacterial outer membrane, R = rigid layer, PM = plasma membrane, B = pililike appendages. (Rocco C. Cipriano 2001, Wikimedia commons)</center></small>]] | [[File:aeromonas.png|right|thumb|200px|<small><center>Transmission electromicrograph of Aeromonas salmonicida. A = A layer, OM = bacterial outer membrane, R = rigid layer, PM = plasma membrane, B = pililike appendages. (Rocco C. Cipriano 2001, Wikimedia commons)</center></small>]] |