lateral posterior nucleus of thalamus lateral posterior nucleus of thalamus the lateral posterior nucleus is a nucleus of the thalamus. lateral posterior nucleus of thalamusthalamic nuclei: mng = midline nuclear groupan = anterior nuclear group md = medial dorsal nucleus vng = ventral nuclear group va = ventral anterior nucleus vl = ventral lateral nucleus vpl = ventral posterolateral nucleus vpm = ventral posteromedial nucleus lng = lateral nuclear group pul = pulvinar mth = metathalamus lg = lateral geniculate nucleus mg = medial geniculate nucleusthalamic nucleidetailsidentifierslatinnucleus lateralis posterior thalamineurolex idbirnlex_835ta98a14.1.08.609ta25697fma62177anatomical terms of neuroanatomy it acts in concert with the pulvinar. in rodents, the lateral posterior nucleus is considered the homologue of the primate pulvinar.