Hematoxylin and Eosin stained sections of Achilles tendons: (a) un-injured; (b) 3d acute TGF-β1 injury; (c) 14d; (d,e) 28d; (f) 14dTM, (g,h) 28dTM. (i) UI 14dTM, (j) UI 28dTM. Fat Pad (FP), Peritenon (PTN), tendon body (TB). * shows areas of hypercellularity and arrows denote regions of collagen disorganization. Tendinopathy severity scores, based on collagen disorganization are indicated in the bottom left hand corner (0= normal 5=severely disorganized)