gentamicin concentrations were not significantly different in the kidney cortex and medulla ( 1.79 +/- 0.16 versus 1.48 +/- 0.92 micrograms/g ) , indicating that , contrary to what is observed for adults , renal accumulation of gentamicin in the fetus does not occur preferentially in the cortex .
C0022655
kidney cortex
C0022646
renal