The endocrine cells of the pituitary gland are electrically active. and in vivo they form small networks where the bidirectional cell-cell coupling is through gap junctions. Numerous studies of dispersed pituitary cells have shown that typical behaviors are tonic spiking and bursting. the latter being more effective at evoking secretion. https://www.roneverhart.com/L-Homme-Ideal-Cologne-by-Guerlain/