This document contains an anatomical diagram of the vertebral column and associated muscles in different vertebrates. Key features labeled include the centrum, neural spine, neural arch, notochord, hemal spines, aortic arch/vein, epaxial and hypoaxial muscles, myoseptum, myomere, horizontal skeletongenous septum, external oblique, internal oblique, rectus abdominis, and transverse abdominis muscles. The diagram shows the positioning and connections of bones and muscles in the vertebral column and abdominal region.