part of part of in taxon results in development of subthalamus development subthalamic nucleus development corpus luysi development The progression of the subthalamic nucleus over time from its initial formation until its mature state. The subthalamic nucleus is the lens-shaped nucleus located in the ventral part of the subthalamus on the inner aspect of the internal capsule that is concerned with the integration of somatic motor function. GO:0021763 anatomical structure development neural nucleus development Craniata <chordates> subthalamic nucleus