Table 2.
Accumulated data when considering all cortical layers
| Sex | Mean cross-sectional length, μm, of: |
Mean no. (× 108/mm3) of: |
Percentage of: |
No. of neurons/mm3 |
Vv |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Asymmetric synapses | Symmetric synapses | All synapses | Asymmetric synapses | Symmetric synapses | All types of synapses | Asymmetric synapses | Symmetric synapses | Cell bodies (glia and neurons) | Blood vessels | Neuropil | |||
| Women | 0.30 ± 0.09 | 0.21 ± 0.10 | 0.29 ± 0.06 | 3.17 ± 2.08 | 1.06 ± 1.84 | 7.17 ± 3.29 | 86 | 14 | 27,589 ± 16,854 | 5.3 | 0.8 | 93.9 | |
| Men | 0.30 ± 0.08 | 0.20 ± 0.09 | 0.27 ± 0.05 | 4.23 ± 2.59 | 1.42 ± 2.00 | 10.61 ± 4.97 | 84 | 16 | 25,924 ± 15,110 | 5.2 | 1.2 | 93.3 | |
Data (mean ± SD) of all the synapses include asymmetric, symmetric, and uncharacterized synapses.