The sphenopalatine ganglion is a collection of nerve fibers that is found inferior to the nose within the pterygopalatine fossa. The sphenopalatine ganglion is a parasympathetic ganglion that contains sympathetic, parasympathetic, and sensory roots. This collection of nerve fibers supplies the paranasal sinuses, lacrimal gland, mucosa glands of the pharynx … Continue reading Sphenopalatine Ganglion Block