Introduction 3) Reticular formation:网状结构 a field of intermingled grey and white matter, and with larger or smaller groups of nerve cells occupying the meshes Medial longitudinal fas siculus Hypoglossal nucleus Inferior medullary velum y Nucleus of tractus x Medial vestibular nucleus solitarius Posterior cochlear nucleus Inferior vestibular Reticular formation nucleus Inferior cerebellar Spinal tract an peduncle nucleus of trigeminal nerve Anterior cochlear Nucleus ambiguus - vagus nerve Antenor, spinocerebellar tract Dorsal olivary nucleus spinothalamic tract - Inferior T tectospinal tract olivary nucleus Medial lemniscus Medial accessory livary nucleus Anterior median fissure Arcuate nucle/ Pyramid Hypoglossal nerve3) Reticular formation: 网状结构 a field of intermingled grey and white matter , and with larger or smaller groups of nerve cells occupying the meshes. Introduction