Table 1.

Regional distribution of the axon terminals of a single CA3 pyramidal cell

Region	Layer	Number of axon terminals	Proportion relative to the total number of terminals (%)
Dentate gyrus	hilus	857	2.2
	str. granulosum	34	0.1
	str. moleculare	44	0.1
	Total	935	2.4
CA3	str. oriens	3,122	8.0
	str. pyramidale	491	1.2
	str. radiatum	6,070	15.5
	str. lacunosum-moleculare	1,158	3.0
	Total	10,841	27.6
CA1	str. oriens	809	2.0
	str. pyramidale	661	1.7
	str. radiatum	25,848	65.9
	str. lacunosum-moleculare	121	0.3
	Total	27,439	70.0