Number of synapses in a cubic millimeter of primary visual cortex (Area 17)

Value 266 synapses/mm³ (×10⁶) Range: ± 33 S.D. synapses/mm³ (×10⁶)
Organism Macaque Macaca fascicularis
Reference O’Kusky, J., & Colonnier, M. (1982). A laminar analysis of the number of neurons, glia, and synapses in the adult cortex (area 17) of adult macaque monkeys. Journal of Comparative Neurology, 210(3), 278–290. link Table 5A, pp. 284 PubMed ID7142443
Method Electron microscopy, stereology
Comments Separate figures are also given for each sub-lamina: I: 274 ± 34 II-III-1: 335 ± 35 II-III-2: 340 ± 69 II-III-3: 344 ± 71 IVA: 283 ± 52 IVB-1: 256 ± 53 IVB-2: 253 ± 43 IVCα: 254 ± 29 IVCβ: 300 ± 28 V-1: 288 ± 28 V-2: 275 ± 27 VIA: 220 ± 17 VIB: 166 ± 50
Entered by alimuldal
ID 112218