title: Dendritic bundles, minicolumns, columns, and cortical output units.
authors.affiliation: Department of Neuroscience, Karolinska Institutet Stockholm, Sweden.
authors.forename: Giorgio M
authors.initials: GM
authors.lastname: Innocenti
authors.forename: Alessandro
authors.initials: A
authors.lastname: Vercelli
keywords: apical dendrite; cerebral cortex; projection; pyramidal neuron