Fig. 4From: Total flavonoids of Bidens bipinnata L. ameliorate experimental adjuvant-induced arthritis through induction of synovial apoptosisHistological assessment of arthritis in AA. Histological sections of ankle joints stained with (a) H&E (A, synovial inflammation, ×200) and (b) safranin-O (C, cartilage damage, ×200) were examinedBack to article page