Definition that contains centrum
- hemal arch a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
- neural arch a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
- vertebral arch a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
- haemal arch a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels