[Localization in the gasserian ganglion of axons innervating the common hairs of the mystacial pad in the normal adult rat and in rats dewhiskered at birth].

The neurons which innervate the small common hairs of the mystacial pad are shown to be located in the dorsomedial part of the ganglion of Gasser. In ganglia atrophied as a consequence of early destruction of vibrissae follicles, neurons that innervate these small hairs are still active.