part of part of has potential to develop into ganglion parasympathetic ganglion pterygopalatine ganglion future pterygopalatine ganglion UBERON:0010128 EHDAA2:0000673 future nasal ganglion future sphenopalatine ganglion future Meckel ganglion A ganglion that has the potential to develop into a pterygopalatine ganglion. future pterygopalatine ganglia future sphenopalatine parasympathetic ganglion future palatine ganglion future Meckel's ganglion