Like us, giraffes today have seven neck (or cervical) vertebrae. But their C3 or third cervical vertebra – which is nine times longer than it is wide – is about as long as the humerus bone ...

Spinal Cord - Transoral anterior approach for extensive anterior decompression at the C3 vertebra level in a patient with severe atlantoaxial vertical subluxation and rheumatoid arthritis.

In those with LOFA, disease severity was correlated with spinal CSA for the C1-C3 vertebrae. Spinal CSA and eccentricity were abnormal in the earliest stages of disease compared with controls.

Herniated C3-4 Disk: Sagittal MRI scans of the cervical spine; (Left) T1-weighted; (Right) T2-weighted.Note the large disk herniation between the C3 and C4 vertebral bodies, deforming the spinal cord ...