the results support the notions , suggested by some anatomical reports as well as electrophysiological data , ( 1 ) that there are projections from ca 3 to ca 4 and/or the fascia dentata , ( 2 ) that a pathway exists from ca 4 to ca 3 , and ( 3 ) that axons from ca 4-neurons project beyond the hilus .
C0004461
axons
C0027882
neurons