sacrum- wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx bone,os- rigid connective tissue that makes up the skeleton of vertebrates ...
sacrum- wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx bone,os- rigid connective tissue that makes up the skeleton of vertebrates ...
sacrum- wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx bone,os- rigid connective tissue that makes up the skeleton of vertebrates ...