areas with remarkable ache activity are layer 4 ( neuropil ) , layer 3 ( perikarya ) , layer 5 ( perikarya and neuropil ) , the primordium hippocampi of jansen ( neuropil and a small number of perikarya ) , the median sagittal lamina of the habenula ( neuropil and perikarya ) , some cells in the pars dorsalis thalami of jansen ( neuropil ) , the nucleus tuberculi posterior of jansen ( neuropil ) , and the hypophysis .
C0007634
cells
C0007610
nucleus