Figure 6.
Electron micrographs illustrating labeled cortical terminals synapsing (arrowheads) onto thin dendrites (marked by asterisks and colored yellow, pink, blue and green). Fine dendritic “hairs” penetrate the cortical endings (arrows in B and C). A mossy fiber (mf) is clutched by a granule cell claw (C) and the claw is in turn postsynaptic to a cortical terminal. The data show that corticobulbar terminals are on “remote” sites on granule cells. Modified from Weedman and Ryugo, 1996b.