Fig. 5
From: MR microscopy of the human fetal upper extremity – a proof-of-principle study
12-week GA specimen. Adjacent coronal T2w images of 12-week GA specimen (a, b) and photography of in toto Alizarin stain (c). Compared to the earlier stages there is growth of the ossification centers with excellent correlation between MRM and in toto Alizarin stain. Short dotted arrow = metacarpal bones; long dotted arrow = phalanges; r = radius; u = ulna; black arrow in c indicates body of the scapula and short arrow in c indicates body of the clavicle