selkäydinpylvääseen
Selkäydinpylväs, or spinal column in English, is a fundamental part of the skeletal system in many vertebrates, including humans. It is a bony structure that runs from the skull down to the pelvis, providing support, protection, and mobility. The spinal column is composed of a series of individual bones called vertebrae, which are stacked one on top of another. These vertebrae are separated by intervertebral discs, which act as shock absorbers and allow for some movement between the vertebrae.
The spinal column is divided into several regions: the cervical spine (neck), thoracic spine (upper back), lumbar
In addition to protection and support, the spinal column enables a wide range of movements, such as