The corticobulbar (or corticonuclear) tract is a two-neuron white matter motor pathway responsible for innervating several cranial nerves. The aforementioned video talks about the origin destination, function and much more about corticobulbar tract. Timeline: 00:14 introduction 00:40 origin of the corticobulbar tract 03:04 destination of the corticobulbar tract 06:23 functions of the corticobulbar tract 08:23 corticobulbar pathway and associated cranial nerves 19:05 facial nucleus 23:36 difference between bell palsy and stroke 24:24 hypoglossal nucleus