structure of an intervertebral disk outer and inner zone of the anulus fibrosus vertebral bones vertebra trunk wall anatomy of human bony system human skeletal system anterior view_站酷海洛_正版图片_视频_字体_音乐素材交易平台

structure of an intervertebral disk outer and inner zone of the anulus fibrosus vertebral bones vertebra trunk wall anatomy of human bony system human skeletal system anterior view