The lumbar vertebrae are located between the thoracic vertebrae and sacrum. They form the lower part of the back in humans, and the region of the spine between the rib cage and pelvis in quadrupedal m
Lumbar vertebrae
Anterior view of a 3D volume-rendered CT reconstruction highlighting the lumbosacral articulation, showing the sequential alignment of the five human lumbar vertebrae (L1–L5) and their interface with the sacrum.
Sacralization of the L5 vertebra is seen at the lower right of the image.
Congenital block vertebra of the lumbar spine. CT volume rendering.
The sacrum, in human anatomy, is a triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae between ages 18 and 30.
Lumbar vertebrae
…The lumbar vertebrae are located between the thoracic vertebrae and sacrum. They form the lower part of the back in humans, and the region of the spine between the rib cage and pelvis in quadrupedal mammals. In humans, there…
Sacrum (not labeled) seen on the right with sacral nerves, median sacral artery, and rectum on the lower left.