ventral tier thalamic nuclei

ven·tral tier tha·lam·ic nu·cle·i

collective term for nuclei in the ventral part of the lateral nuclear group, for example, ventral anterior, lateral, posterolateral, and posteromedial nuclei and the medial geniculate nuclei and the dorsal lateral geniculate nucleus. The basoventral nuclear complex constitutes the caudal part of the ventral tier thalamic nuclei.