Table 1. Distribution of PCM molecules in rat TMJ condylar cartilage and disc.

Tissue	Total area/mm2	Collagen VI stained area/%	Collagen IV stained area/%	Laminin stained area/%
Condylar Cartilage	0.26±0.03	42.68±2.88*	18.32±1.64	23.93±2.45
Fibrous	0.05±0.00	35.01±0.76	34.42±2.4	21.06±3.23
Proliferative	0.06±0.01	67.39±1.97†	45.69±5.61‡	52.38±7.81†
Mature	0.05±0.00	48.15±3.67	9.29±1.74	20.30±2.20
Hypertrophic	0.09±0.01	22.81±2.67	1.82±0.25	10.50±1.26
Disc	0.15±0.01	27.77±1.03§	24.91±1.58	12.95±2.21
Anterior	0.06±0.01	27.67±3.01	23.62±1.52	15.52±4.84
Intermediate	0.03±0.00	30.24±2.98	29.33±3.71	13.29±2.38
Posterior	0.06±0.01	27.39±1.22	25.47±2.01	11.52±1.78

PCM, pericellular matrix; TMJ, temporomandibular joint.

^*P<0.001, compared with % collagen IV and % laminin stained areas for condylar cartilage.

^†P<0.001, compared with fibrous, mature and hypertrophic zones of condylar cartilage.

^‡P<0.001, compared with mature and hypertrophic zones of condylar cartilage.

^§P<0.001, compared with % laminin stained area for disc.

Data are presented as mean±s.e.m.; n=5–6.