Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13062-021-00310-w/MediaObjects/13062_2021_310_Fig2_HTML.jpg)
Antler lineage periostea. a Antlerogenic periosteum; b Pedicle periosteum; c Antler apical perichondrium; d Antler periosteum
Antler lineage periostea. a Antlerogenic periosteum; b Pedicle periosteum; c Antler apical perichondrium; d Antler periosteum