Figure 2From: Male pheromone protein components activate female vomeronasal neurons in the salamander Plethodon shermaniHigh magnification micrograph of an agmatine-labeled vomeronasal neuron stimulated with PRF. Arrowheads indicate areas of small vesicular aggregates of label. Arrow points to the dendritic knob on the surface of the epithelium. Bar = 10 μm.Back to article page