Amelioration of Collagen-Induced Arthritis in Female Dark Agouti Rats by Glucosamine Treatment

Table 1

The histopathological characteristics observed in a joint affected by rheumatoid arthritis and the grading system for the analysis of joints.

	0	1	2	3
Oedema	Nil	Mild	Moderate	Severe
Cellular Infiltration	Nil	Mild scattered infiltration	Lymphocytes and macrophages	Sheets of inflammatory cells/granulomas/MNG cells
Joint space	No narrowing	Mild narrowing	Moderate narrowing with very little intermeningeal space	Total obliteration of joint space
Synovial hyperplasia	Nil	Mild	Moderate	Extensive
Fibrosis	Nil	Mild	Moderate	Extensive/severe
Erosion	Absent	Present