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The four vertebrae that are fused together are the sacral vertebrae, specifically S1 to S5, which form the sacrum. This fusion provides stability and support to the pelvis and the spine, playing a crucial role in weight-bearing and movement. In some individuals, the coccygeal vertebrae can also be fused, forming the coccyx or tailbone.
What else can I help you with?
Which vertebrae are fused?
the sacral vertebrae, and think it's 4 to 5 that are fused together
NAME the 33 vertebra?
The 33 vertebrae in the human spine are divided as follows: 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 5 sacral vertebrae (fused into the sacrum), and 4 coccygeal vertebrae (fused into the coccyx).
How many bones are fused together to make the tailbone?
The tailbone, or coccyx, is made up of 3 to 5 fused vertebrae.
What vertebra is number 12 not fused?
The 12th vertebra, known as the lumbar vertebra (L1), is not fused with any other vertebrae. It is the last of the five lumbar vertebrae in the lower back and is characterized by its larger size compared to the thoracic vertebrae above it. Unlike the sacral vertebrae, which are fused together, L1 remains a separate and movable vertebra, allowing for flexibility and support in the lumbar region.
Another name for lower vertebrae?
The vetebrae of the lower back are called lumbar vertebrae. Lower than that, the vertebrae are fused together in the sacrum, and the lowest part of the spine is the tailbone or coccyx.
What are the two sections of the spine that consist of fused bones?
The two sections of the spine that consist of fused bones are the sacrum, which is formed by the fusion of five sacral vertebrae, and the coccyx, which is formed by the fusion of four coccygeal vertebrae.
How many vertebra are there?
There are typically 33 vertebrae in the human spine: 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 5 sacral vertebrae (fused into the sacrum), and 4 coccygeal vertebrae (fused into the coccyx).
What are charcteristics of the three basic types of Klippel Feil syndrome?
In type I, all of the cervical and upper thoracic vertebrae are fused together into one block. In type II, one or two pairs of cervical vertebrae are fused together. In type III, there is lower thoracic or lumbar fusion
Why young child has 33 spine?
There are normally 33 vertebrae in infant humans. There are five that will be fused as they become adults to form the sacrum and four that will be fused into coccygeal bones (tail).
The cervical vertebrae are the smallest vertebrae True or false?
No, the coccyx is smaller. The coccyx is formed by fused vertebrae.
What are the last 4 fused vertebrae called?
The last 4 fused vertebrae in the spine are called the sacrum. The sacrum is a triangular bone located below the lumbar vertebrae and is formed by the fusion of five sacral vertebrae.
What is the medical term meaning the five fused vertebrae above the tailbone?
The medical term for the five fused vertebrae above the tailbone is the sacrum.
