The lumbar vertebrae in the lower back is typically five in number and unfused.
The Lumbar Vertebrae
Thoracic Vertebra
You have 7 unfused cervical vertebrae. You have 12 unfused thoracic vertebrae. You have 5 unfused lumber vertebrae. The five vetebrae are fused in case of the sacrum. That is the need of the hour. You can not support the hip bones with out that fusion. Then there are few fused vertebrae in coccyx.
The five vertebrae that are fused within the pelvic bones are the sacral vertebrae, as well as a few vestigal caudal vertebrae that are called the coccyx in humans.
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The Lumbar Vertebrae
Thoracic Vertebra
You have 7 unfused cervical vertebrae. You have 12 unfused thoracic vertebrae. You have 5 unfused lumber vertebrae. The five vetebrae are fused in case of the sacrum. That is the need of the hour. You can not support the hip bones with out that fusion. Then there are few fused vertebrae in coccyx.
The largest unfused vertebrae is your Lumbar, located in your lower back.
cervical vertebra
There are 33 vertebrae in the spinal cord of a human being. They are broadly categorized into 5 areas. They are called the cervical, thoracic, lumbar, sacrum & coccyx vertebra. The upper 3 areas have a total of 24 vertebrae, which includes 7 cervical vertebrae, 12 thoracic vertebrae & 5 lumbar vertebrae. Sometimes the lumbar region, may have an additional vertebra, it does happen - but it is rare. 5 vertebrae are fused together to form the sacrum & 3 vertebrae form the end of the spinal column which is the coccyx.
Five lumbar vertebrae.
The five vertebrae that are fused within the pelvic bones are the sacral vertebrae, as well as a few vestigal caudal vertebrae that are called the coccyx in humans.
Five. Usually there are five lumbar vertebrae, but some people are born with six.
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The five types of vertebra are the:cervical vertebrae (neck)thoracic vertebrae (chest)lumbar vertebrae (back)sacral (pelvis)coccyx (tailbone)
Spina bifida means that one has a split spine. It is a developmental congenital disorder where some vertebrae overlying the spinal cord are not fully formed and remain unfused and open.