Vertebra
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Each vertebra is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. The proportions of the vertebrae di
An example of procoelous vertebrae dissected from a rattlesnake.
Lumbar vertebrae
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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.