This rise reflects influx of extracellular Ca2+ through non-voltage-gated and Ni2+-blockable Ca2+ channels of the plasma membrane .
this rise reflects influx of extracellular ca2+ through non-voltage-gated and ni2+-blockable ca2+ channels of the plasma membrane .
O O O O O O B-atom O O O B-protein_complex B-atom O O O B-cell_component I-cell_component O