on the basis of the nature of the axon ( bifurcating or non-bifurcating , ascending or descending ) and of the dendrites ( spiny or aspinous , and thickness ) , the following subclasses ( types ) were identified : two long axon ( projection ) and three short axon ( local circuit ) neurons in the medial ( mid-telencephalic ) hyperstriatum ventrale , and one major long axon ( projection ) and two short axon ( local circuit ) neurons in the rostral hyperstriatum ventrale .
C0004461
axon
C0027882
neurons