By M. Piagkou, T. Demesticha, T. Troupis, K. Vlasis, P. Skandalakis, A. Makri, A. Mazarakis, D. Lappas, G. Piagkos, and E. O. Johnson
The authors discuss the importance of the ganglion, nerve innervation, and how the pterygopalatine block techniques have evolved to treat various pain disorders.