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Figure 4


Fig. 4. Light micrographs of gill filaments of K. marmoratus from (A) control conditions in water, (B) 1 h of air exposure, (C) 1 day of air exposure, (D,E) 1 week of air exposure and (F) 1 week of air exposure followed by 1 week of recovery in water. Experimental treatments for the two fish shown in D and E are identical, but in D the interlamellar cell mass (ILCM) partially fills the channel between secondary lamellae, and in E the ILCM completely fills this same space. Scale bar, 40 µm.