Table 1.
PV-positive postsynaptic targets of PV-positive and PV-negative axon terminals forming symmetrical, asymmetrical, or unclassified synapses
|
ATs/synapses |
PV + perikarya |
Large-caliber PV + dendrites (> 1 μm) |
Small-caliber PV + dendrites (< 1 μm) |
PV + spines |
|---|---|---|---|---|
| PV+/Sym | 49 (30.1%) | 33 (16.8%) | 35 (13.8%) | 13 (25.5%) |
| PV−/Sym | 62 (38.0%) | 48 (24.5%) | 58 (22.8%) | 11 (21.6%) |
| PV−/Asym | 32 (19.6%) | 90 (45.9%) | 125 (49.2%) | 20 (39.2%) |
| PV−/UC | 20 (12.4%) | 25 (12.8%) | 36 (14.2%) | 7 (13.7%) |
| Total |
163 (100%) |
196 (100%) |
254 (100%) |
51 (100%) |
Counts are pooled from two samples. Some axon terminals formed more than one synapse. ATs, Axon terminals; Sym, symmetrical synapse; Asym, asymmetrical synapse; UC, unclassifed synapse (i.e., not clearly symmetrical or asymmetrical).