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Table 1 Histomorphological scoring parameters (Salter et al. 1981)

From: Efficacy evaluation of ethanolic extract of Tamarindus indica L. leaves as possible alternate therapy in septic arthritis model of rabbit

Parameters Scoring
Cellularity of cartilage
 Normal 0
  < 10% 1
 10–25% 2
 >25% 3
Loss of matrix (erosions)
 Normal 0
 < 10% 1
 10–25% 2
 >25% 3
Cloning of chondrocytes
 Normal 0
 < 10% 1
 10–25% 2
 >25% 3
Adhesions (pannus)
 No Adhesions 0
 Covering only margin of cartilage 1
 Covering < 50% 2
 Covering >50% 3
Grey reads (Red value) a with Safranin-O
 Values more than 160 0
 Values within 140–160 1
 Values within 120–140 2
 Values within 100–120 3
 Values within 80–100 4
  1. aGrey reads had been taken instead of orthochromasia in Salter’s study