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Table 4.

Mitochondrial fractional volume in gills and hepatopancreas cells of control and Cd-exposed C. virginica acclimated at different temperatures

Mitochondrial fractional volume (%)
Tacc (°C)Cd exposure (μg l-1)GillsHepatopancreas
12 16.6+2.64 (29) 33.3+4.37 (30) 
 50 18.1+2.16 (33) 23.8+2.14 (29) 
24.9+3.57 (29) 27.2+3.17 (33) 
 50 15.5+2.26 (29) 27.1+2.41 (32) 
28 14.3+1.69 (29) 32.8+5.01 (31) 
 50 18.2+1.77 (30) 23.7+2.05 (29) 
Mitochondrial fractional volume (%)
Tacc (°C)Cd exposure (μg l-1)GillsHepatopancreas
12 16.6+2.64 (29) 33.3+4.37 (30) 
 50 18.1+2.16 (33) 23.8+2.14 (29) 
24.9+3.57 (29) 27.2+3.17 (33) 
 50 15.5+2.26 (29) 27.1+2.41 (32) 
28 14.3+1.69 (29) 32.8+5.01 (31) 
 50 18.2+1.77 (30) 23.7+2.05 (29) 

Mitochondrial fractional volume was calculated based on the relative area occupied by mitochondria to the total area occupied by cells on a tissue section (see Howard and Reed,1998). Number of TEM sections analyzed for each tissue and temperature—cadmium combination is given in parentheses.

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