Fig. 4From: Effect of single intralesional treatment of surgically induced equine superficial digital flexor tendon core lesions with adipose-derived mesenchymal stromal cells: a controlled experimental trialChondrogenic differentiation of equine AT-MSCs from a representative study horse. Photomicrographs of AT-MSCs (passage 2) taken on day 21 after induction of chondrogenic differentiation. The presence of glycosaminoglycans and collagen was detected by Toluidine Blue (a) and Safranin O (b) (Colour figure online)Back to article page