Fig. 2.

The quadrupedal mouse has unexpected anatomical similarities to the bipedal human, such as the presence of the clavicle (1). The clavicle in both attaches the sternum (2) and the acromion of the scapula (3). Acromial end (4), body of clavicle (5), esternal end (6). Mouse images modified from Ruberte et al. (2016) with permission