Each vertebra (pl.: vertebrae) 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 differ according to their spinal segment and the particular species. The basic configuration of a vertebra varies; the vertebral body (also centrum) is of bone and bears the …

2025年1月6日 · The vertebral column is a series of approximately 33 bones called vertebrae, which are separated by intervertebral discs.. The column can be divided into five different regions, with each region characterised by a different vertebral structure.. In this article, we shall look at the anatomy of the vertebral column – its function, structure, and clinical significance.

2023年2月3日 · Each vertebra is separated from the other by an intervertebral disc, which acts as a shock absorber. The parts of a vertebra are: Body: The main part of the vertebra that provides support for the spinal column. Vertebral arch: The bony arch that surrounds the body and extends to the back of the vertebra.

The spinal column, also known as the vertebral column, spine or backbone, is the core part of the axial skeleton in vertebrates.The vertebral column is the defining and eponymous characteristic of the vertebrate. The spinal column is a segmented column of vertebrae that surrounds and protects the spinal cord.The vertebrae are separated by intervertebral discs in a series of …

2019年4月17日 · Vertebrae are boneslocated within the vertebral column. In humans, they are a series of 33 bonesthat run from the base of the skull to the coccyx. The irregularly shaped bones form the roughly S-shape of the spinal cord. Between each vertebra is an intervertebral disc, which helps provide shock absorption and protect the vertebrae.

2023年9月12日 · The pedicles, laminae, and body of each vertebra form a cavity (vertebral foramen). The vertebral canal is the space throughout the spinal column that is enclosed by the vertebral foramina. Vertebral processes - there are seven in total all projecting from the vertebral arch: one spinous process (posteroinferior), two transverse processes ...

The meaning of VERTEBRA is one of the bony or cartilaginous segments composing the spinal column, consisting in some lower vertebrates of several distinct elements which never become united, and in higher vertebrates having a short more or less cylindrical body whose ends articulate by pads of elastic or cartilaginous tissue with those of adjacent vertebrae and a bony …

The spine has 5 lumbar vertebrae(L1-L5) supporting the body weight. They have large, kidney-shaped vertebral bodies, triangular vertebral foramen, and short spinous processes. Among all the vertebrae, the L5 lumbar vertebra is the largest. 4. Sacrum. It looks like a single bony component composed of 5 fused vertebrae (S1-S5).

2025年2月26日 · Vertebral column, in vertebrate animals, the flexible column extending from neck to tail, made of bones called vertebrae. The major function of the vertebral column is to protect the spinal cord; it also is an attachment for many muscles. In humans, it further transmits body weight in walking and standing.

The lumbar spine has five vertebrae, labeled L1-L5, that extend from the lower thoracic spine to the sacrum at bottom of the spine. The vertebrae of the lower back are the largest of the spine and they bear the majority of the body's weight. Approximately 50% of flexion (bending forward) occurs at the hips, and 50% occurs at the lumbar spine (lower back).