in both developmental states of the epithelial cells , the nucleus and apical cytoplasm had essentially similar and unremarkable concentrations of na ( 76 and 83 mmol/kg dry wt , respectively , in the adapted cells vs. 72 and 81 mmol/kg dry wt in the control cells ) and k ( 602 and 423 mmol/kg dry wt vs. 451 and 442 mmol/kg dry wt ) .
C0010834
cytoplasm
C0007634
cells