Spine subtypes with the different synaptic junction type
| Layer | VGLUT1 | VGLUT2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| NP | PE | Total | NP | PE | Total | |||||
| PE | U | TJ | PE | U | TJ | |||||
| I | 9 | 4 | 1 | 0 | 14 | 19 | 5 | 3 | 1 | 28 |
| II/III | 2 | 2 | 0 | 0 | 4 | 5 | 5 | 4 | 1 | 15 |
| IV | 2 | 1 | 0 | 0 | 3 | 1 | 4 | 0 | 0 | 5 |
| V | 20 | 2 | 1 | 0 | 23 | 7 | 9 | 3 | 1 | 20 |
| VI | 5 | 0 | 0 | 0 | 5 | 9 | 6 | 6 | 1 | 22 |
| 11 (22.4%) | 49 (54.4%) | |||||||||
| Total | 38 | 9 | 2 | 0 | 49 | 41 | 29 | 16 | 4 | 90 |
| 77.6% | 18.4% | 4.1% | 0% | 100% | 45.6% | 32.2% | 17.8% | 4.4% | 100% | |
NP, Nonperforated synapse; PE, perforated synapse; U, U-shaped synapse; TJ, twin-junctional synapse.