the polyphosphoinositide ( ppi ) response was measured in vitro in the iris both as loss of 32p-radioactivity from phosphatidylinositol 4,5-bisphosphate ( pip2 ) and as accumulation of myo- [ 3h ] -inositol trisphosphate ( ip3 ) ;
C0071655
polyphosphoinositide
C0031621
phosphatidylinositol