Fig. 3: The stratum proprium cunei (SPC).
From: Occipital Intralobar fasciculi: a description, through tractography, of three forgotten tracts

a Coronal view of the SPC (magenta) that lines the midline of the cuneus. b Sagittal view of the SPC showing how it arises from the superior bank of the calcarine fissure. cf: calcarine fissure.