The segments of the vertebral column, usually five in number, that fuse to form the sacrum. ... Synonym: vertebrae sacrales. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Sacral vertebrae: There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated between the lumbar vertebrae and the coccyx (the lowest segment of the vertebral column). The sacral vertebrae are normally fused to form the sacrum.Common Misspellings: sacral vertabrae Found on http://www.medterms.com/script/main/art.asp?articlekey=8786