Fig. 2From: In vivo effects of a human thyroid-stimulating monoclonal autoantibody (M22) and a human thyroid-blocking autoantibody (K1-70)Histology of rat thyroid sections from a a control rat injected with buffer only showing normal thyroid histology and b a test rat at 96-h post-injection with 10 μg of M22 showing follicular cell hypertrophy characterised by a diffuse change in which the follicular epithelium showed increased height with reduced colloidBack to article page