part of part of in taxon has muscle origin has muscle origin has muscle insertion has muscle insertion Anolis Homo sapiens neural spine neural arch caudal region extrinsic post-anal tail muscle spinalis caudalis muscle A muscle that originates via thin tendons from the proximal and dorsal aspects of the neural spines and inserts via fleshy fibers onto the lateral aspect of the base of the neural arch. The m. spinalis caudalis is hypothesized to be a stabilizer of the vertebral column[PMID:22753107] UBERON:0035092 spinalis caudalis M. spinalis caudalis