Figure 3From: Interactions of highly and low virulent Flavobacterium columnare isolates with gill tissue in carp and rainbow trout Carp gill after inoculation with HV-isolate at SP 2. The gill filament (F) and gill lamellae (L) are covered by long, slender bacterial cells (B), clustering in between mucus (M) and cell debris (SEM, bar = 5 μm).Back to article page