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. 2019 Jun 4;10:1237. doi: 10.3389/fimmu.2019.01237

Figure 4.

Figure 4

Transmission electron microscopy of Atlantic cod macrophages infected with A. salmonicida. (a,b) Mock infected Atlantic cod head kidney macrophages (control). (× 2,100, scale bar 1 μm). (c–e) Atlantic cod head kidney macrophages infected with A. salmonicida. (c and d: × 2700, scale bar 1 μm; e: × 2,100, scale bar 1 μm). (f,g) Intracellular A. salmonicida. (f: × 15,000, scale bar 200 nm; g: × 30,000, scale bar 100 nm). (h,i) Atlantic cod head kidney macrophages infected with the formalin killed A. salmonicida. (h: × 2,700, scale bar 1 μm; i: × 1,650, scale bar 2 μm). NU, Nucleus; PS, Pseudopodia; ER, Endoplasmic reticulum; MI, Mitochondria; AS, A. salmonicida; EV, Endoplasmic vesicles; OMV, Outer membrane vesicles (arrows); FK, Formalin killed A. salmonicida; SB, Secretion bodies; and AC, Apoptotic bodies.