Table 3– Succinate dehydrogenase (SDH) and reduced nicotinamide adenine dinucleotide phosphate dehydrogenase (NADPHDH) histochemistry
Optical density AU
SDHNADPHDH
Sternohyoid
 Normoxia0.20±0.010.09±0.01
 CH0.20±0.010.08±0.01
Diaphragm
 Normoxia0.59±0.040.18±0.01
 CH0.60±0.020.18±0.01
  • Data are presented as mean±sem (n = 6–11 per group). AU: arbitrary unit; CH: chronic hypoxia.