FOLIUM By N., Pam M.S. - May 11, 2013 the term that is used to describe a structure that is like a leaf. It is usually used to describe the leaf like folds of the cerebellar cortex. FOLIUM: "Folium means to have a leaf shape." Related Psychology Terms GRANULE CELL VOCAL CORDS PARALLEL FIBER CORTICAL LAYERS CORTICOFUGAL PONTINE NUCLEUS NEOPLASM NEURAL TUBE DEFECT CORTICAL NEURON SUBCORTICAL Cite this page: N., Pam M.S., "FOLIUM," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/folium/ (accessed May 10, 2021).