microinjections of sp ( 0.4-1.5 nmol ) into the ventrolateral medulla oblongata ( vlm ) , ( nuclei gigantocellularis , facialis , ambiguus , and reticularis lateralis ) or into the dorsomedial medulla oblongata ( dm , nucleus tractus solitarius ) and its ventral surroundings dose dependently increased tidal volume ( vt ) and/or minute ventilation .
C0025148
medulla oblongata
C0175518
nucleus tractus solitarius