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 PONTINE NUCLEUS CORTICOFUGAL NEOPLASM NEURAL TUBE DEFECT SUBCORTICAL CORTICAL NEURON Cite this page: N., Pam M.S., "FOLIUM," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/folium/ (accessed July 17, 2019).