Source : Webster's Revised Unabridged Dictionary (1913)

Bulbar \Bulb"ar\, a.
   Of or pertaining to bulb; especially, in medicine, pertaining
   to the bulb of the spinal cord, or medulla oblongata; as,
   bulbar paralysis.

Source : WordNet®

bulbar
     adj : involving the medulla oblongata; "bulbar paralysis"