in thyroidectomized rats , a single injection of l-2 , ,5,2'-triiodothyronine ( t3 ) ( 50mug/100 g body weight ) elicited at 45 % increase in ( na+ + k+ ) -dependent adenosine triphosphatase ( nak-atpase ) activity of the membrane-rich fraction of renal cortex at the optimal time of response , 48 h after injection .
C0001479
na
C0001473
atpase