What are the vertebrae numbers?
From 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)
Do we have 24 or 26 vertebrae?
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.
What name is given to the 33 bones that make up the spine?
Vertebrae: The spine has 33 stacked vertebrae (small bones) that form the spinal canal.
What are the 3 main parts of a vertebra?
A vertebra has three parts: body (purple), vertebral arch (green), and processes for muscle attachment (tan).
- a drum-shaped body designed to bear weight and withstand compression (purple)
- an arch-shaped bone that protects the spinal cord (green)
- star-shaped processes designed as outriggers for muscle attachment (tan)
What are the 3 sections of the spine?
The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. The cervical is the upper part of the spine, made up of seven vertebrae (bones).
Are there 33 vertebrae?
The average person is born with 33 individual bones (the vertebrae) that interact and connect with each other through flexible joints called facets. By the time a person becomes an adult most have only 24 vertebrae because some vertebrae at the bottom end of the spine fuse together during normal growth and development.
What is the biggest bone?
femur bone
1. The femur bone is the longest and strongest bone in the body. Located in the thigh, it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton.
What is the name of the longest bone?
The femur
The femur is one of the most researched bones in the human anatomy and forensic medicine. As the longest bone in the human body, it is well preserved in skeletal remains.