ca++ did not appear to regulate microtubule assembly in these cells since resting pmn had a mean of 22.3 +/- 2.0 microtubules in the centriolar region as compared to 22.3 +/- 1.1 in ionophore-treated cells and 24.9 +/- 1.5 in cells exposed to ionophore and 1 mm ca++ .
C1156032
microtubule assembly
C0007634
cells