WebFrom top to bottom, the vertebrae are: Cervical spine: 7 vertebrae (C1–C7) Thoracic spine: 12 vertebrae (T1–T12) Lumbar spine: 5 vertebrae (L1–L5) Sacrum: 5 (fused) vertebrae (S1–S5) Coccyx: 4 (3–5) (fused) vertebrae (Tailbone) The combined region of the thoracic and lumbar vertebrae is known as the thoracolumbar division, or region. [7] WebThe thoracic spine has 12 vertebrae stacked on top of each other, labeled from T1 down to T12. These vertebrae form the foundation of the thoracic region’s sturdy spinal column that supports the neck above, the rib cage, …
Human Spine and Spinal Cord C1 to S5 Vertebra
WebJul 3, 2024 · The thoracic vertebrae are a group of twelve small bones that form the vertebral spine in the upper trunk. Thoracic vertebrae are unique among the bones of the spine in that they are the only vertebrae that support ribs and have overlapping spinous processes. Like all other vertebrae, the thoracic vertebrae help to support the weight of … WebThoracic vertebrae are the twelve vertebral segments (T1-T12) that make up the thoracic spine. These structures have very little motion because they are firmly attached to the ribs and sternum (breastbone). Because there is very little motion, the vertebrae in the thoracic region of the spine are not usually sources of back pain. how to screen casement windows
Spine Anatomy Mayfield Brain & Spine, Cincinnati
WebMay 24, 2024 · The thoracic spine is the second and longest part of the spinal column, consisting of 12 lumbar vertebrae, T1-T12. These 12 bones are separated from each other by intervertebral discs. Their primary role is to form the thoracic cage that protects the heart, lungs, and esophagus. Where are the Thoracic Vertebrae Located WebThe vertebral column is a chain comprised of a varying number of vertebrae. Dogs have 7 cervical vertebrae, 13 thoracic vertebrae, 7 lumbar vertebrae, 3 sacral vertebrae, and 20-23 coccygeal vertebrae. The vertebral column has 3 functions: protection of the spinal cord, weight bearing and muscle insertion, and movement. WebSeven bones in the neck—the cervical spine. 12 bones in the chest—the thoracic spine. Five bones in the lower back—the lumbar spine. The spinal column combines strong bones, unique joints, flexible ligaments and tendons, large muscles and highly sensitive nerves. how to screencap windows 11