The 12 vertebrae of the thoracic spine represent the central portion of the spinal column, the bony tower that provides postural support for standing and sitting and also houses the spinal cord. The ...

Anatomical structures can be broken down into three groups: homologous, analogous, and vestigial. Vestigial structures are essentially leftovers from our evolutionary journey, though there is some ...

The lumbar spine includes five vertebrae that help with mobility and stability. Lumbar vertebrae are larger because they carry the load from your head down to the lower spine. The lumbar spine has a ...