board 1 human skeletal and nervous system

anatomical anatomy anulus arachnoid articular biology board body bodybuilding bone bones bony boy column cord costal didactic disk dorsal dura epidural fat fibrosus ganglion human inferior intervertebral ligament lumbar mamillary marginal mater medical medically medicine meninges model nerve nucleus physical pia process proportions pulposus ridge root science skeletal skeleton space spinal spinous sportive structures superior system transverse trunk ventral vertebrae vertebral wall