title: [Ultrastructural study of the human pterygopalatine ganglion].
mesh_terms: D005260:Female; D005726:Ganglia, Parasympathetic / Q000648:ultrastructure*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D013569:Synapses / Q000648:ultrastructure