Table 1: Histopathological analysis of TMJ: the effects of nitric oxide synthase (NOS) inhibitors.

Cell influx in the synovial membraneSynovial membrane thicknessPeriarticular cell influxCell influx in the muscular tissue

Sham0 (0-0)0 (0-0)0 (0-0)0(0-0)
Zymosan2.5 (1–3)*3 (0–3)*4 (4-4)*3 (2–4)*

L-NAME 100 mg/kg0.5 (0-1)+0 (0-0) +1 (0–2) +0 (0-0) +

1400 W 1 mg/kg0 (0-0) +0 (0-0) +1 (0–2) +0 (0-0) +

versus Sham. versus zymosan (Kruskal-Wallis, Dunn’s).