based upon the nature of the axon ( bifurcating or nonbifurcating , ascending or descending ) and of the dendrites ( spiny or aspinous , and thickness ) , the following subclasses ( types ) were identified : two projection and three local circuit neurons in the lobus parolfactorius and two projection and two local circuit neurons in the paleostriatum augmentatum .
C0004461
axon
C0027882
neurons