Vertebral column - Wikipedia
The number of vertebrae in a region can vary but overall the number remains the same. In a human vertebral column, there are normally 33 vertebrae. [3] The upper 24 pre-sacral vertebrae are articulating and separated from each other by intervertebral discs, and the lower nine are fused in adults, five in the sacrum and four in the coccyx, or ...
Spine (Vertebral Column) – Bones, Anatomy, & Labeled Diagram
2023年12月12日 · The spine contains 7 cervical vertebrae named C1-C7, with thin intervertebral discs. The first two, C1 (atlas) and C2 (axis), have unique anatomy and aid in the rotation of the head. The remaining five vertebrae, C3-C7, share similar anatomical features.
Spine Structure and Function - Cleveland Clinic
2023年10月18日 · Vertebrae: Your spine has 33 stacked vertebrae (small bones) that form the spinal canal. The spinal canal is a tunnel that houses your spinal cord and nerves, protecting them from injury. Most vertebrae move to allow for a range of motion. The lowest vertebrae (sacrum and coccyx) are fused together and don’t move.
Spine (Vertebral Column) – Bones, Anatomy, & Labeled Diagram
It comprises 33 small bones called vertebrae, which remain separated by cartilaginous intervertebral discs. The vertebral column forms the axial skeleton, skull bones, ribs, and sternum. The spine starts just below the occipital bone and extends up to the tip of the coccyx (tailbone).
The Spinal Column: Anatomy and 3D Illustrations - Innerbody
2024年12月9日 · The spine, also known as the vertebral column or spinal column, is a column of 26 bones in an adult body --- 24 separate vertebrae interspaced with cartilage, and then additionally the sacrum and coccyx.
The Vertebral Column - Joints - Vertebrae - Vertebral Structure
2024年9月2日 · There are seven cervical vertebrae in the human body. They have three main distinguishing features: Bifid spinous process – the spinous process bifurcates at its distal end.
Anatomy of the Spine | UMM 2024
The first cervical vertebra supports the skull. The thoracic spine consists of 12 bones in the back area; the lumbar spine consists of 5bones in the lower back area; 5 sacral bones; and 4 coccygeal bones (the number of coccygeal bones can vary from 5 …
Anatomy, Back, Vertebral Column - StatPearls - NCBI Bookshelf
2023年8月8日 · The vertebral column (spine) defines the animal subphylum Vertebra, or vertebrates, of the phylum Chordata. In humans, it is composed of 33 vertebrae that include 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal. Along with the skull, ribs, and sternum, these vertebrae make up the axial skeletal system.
Vertebral Column: Anatomy, vertebrae, joints & ligaments
2023年9月12日 · The vertebral column (spine or backbone) is a curved structure composed of bony vertebrae that are interconnected by cartilaginous intervertebral discs. It is part of the axial skeleton and extends from the base of the skull to the tip of the coccyx .
BBC Science & Nature - Human Body and Mind - Skeleton Layer
Your spine is made up of 33 irregularly shaped bones called vertebrae. Each vertebra has a hole in the middle through which the spinal cord runs. The spinal cord can be divided into five different ...
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