Table 3.

Area (nm²), perimeter (nm), and curvature (mean ± SEM) of the SAS of macular, perforated, and horseshoe-shaped synaptic junctions

Shape of synaptic junction	Type of synapse	Area of SAS (nm2)mean ± SEM	Perimeter (nm)mean ± SEM	Curvaturemean ± SEM
Macular	AS	59,271.15 ± 595.95	1,353.95 ± 9.55	0.07 ± 0.001
	SS	86,903.65 ± 2816.34	2,138.30 ± 51.47	0.09 ± 0.003
	AS + SS	61,737.72 ± 606.10	1,423.96 ± 10.22	0.07 ± 0.001
Perforated	AS	175,955.57 ± 5842.02	3,056.56 ± 85.68	0.10 ± 0.004
	SS	185,606.80 ± 30,594.69	3,690.38 ± 488.31	0.08 ± 0.010
	AS + SS	176,710.07 ± 5875.00	3,106.10 ± 87.94	0.10 ± 0.003
Horseshoe-shaped	AS	146,689.44 ± 6756.57	3,015.70 ± 109.07	0.11 ± 0.006
	SS	155,387.11 ± 16,435.88	3,548.22 ± 304.55	0.08 ± 0.009
	AS + SS	148,469.66 ± 6321.63	3,124.70 ± 107.62	0.11 ± 0.005

All data are given as mean ± SEM.