Figure 3: Decorin deficiency results in aberrant tendon collagen fibril structure. TEM of tail tendon of 7.5-month old mice showing transverse section of collagen fibrils. A larger fraction of fibrils are noncylindrical and structurally aberrant in homozygous mutant ( , (b)) as compared to WT ( , (a)) mouse (Reprinted from Zhang et al., 2006 [33], copyright © 2005 Wiley-Liss, Inc. with permission).