three principles which have been already mentioned in previous reports could be confirmed within limits : ( i ) the dichotomy of agranular and granular frontal cortices related to lateral and medial thalamic nuclear division respectively , ( ii ) the reciprocity of fronto-thalamic connections and ( iii ) the thalamic matrix consisting of longitudinally arranged cell columns ( kievit and kuypers 1977 ) from which the cortical connections originate and where they end .
C1155789
nuclear division
C0007634
cell