Table 2.

Ribbon Contacts for Dominant Connection From RB to AII Amacrine Cells

AII cell number	RB cell number	Dominant contacts	RB total contacts	% for RB (D/RB T)	Two RB dominant contacts	AII total contacts	% for AII (2D/AII T)
1	6	29	52	56	64	129	50
	7	35	60	58
2	8	35	52	67	68	129	53
	12	33	59	56
3	17	34	53	64	65	116	56
	21	31	53	58
4	9	34	59	58	66	—	—
	11	32	57	56
5	13	41	55	75	—	—	—
Mean		33.8	55.6	60.9	65.8	124.7	53.0
SD		3.3	3.2	6.5	1.7	7.5	3
n		9	9	9	4	3	3

¹Specific combinations of RB cells and AII amacrine cells dominate (more than 50% of the total RB contacts) the number of synaptic contacts.

²Percentages of the dominant contacts for RB cells.

³Percentages of the dominant contacts for AII amacrine cells.