Why Is L5 Atypical?
Of the Five Lumbar Vertebrae, L5 Is Considered Atypical Due to Its Shape. the Remaining Lumbar Vertebrae Are Largely Typical. for a Basic Anatomic Description...
Of the five lumbar vertebrae, L5 is considered atypical due to its shape. The remaining lumbar vertebrae are largely typical. For a basic anatomic description of the structure a generic vertebra, see vertebrae.
What is atypical lumbar?
Lumbar vertebrae
The only atypical vertebra of the lumbar region is L5. L5 has the largest vertebral body and transverse processes. L5 also has the most inferiorly located discovertebral unit in the human vertebral column.
Why is the axis atypical?
The axis (C2) is unique with an odontoid process (the dens) projecting from its superior surface. The vertebra prominens (C7) has the longest spinous process of all cervical vertebrae. It is also non-bifid. These features give rise to its name.
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