1. Cranially, it reaches the skull, and caudally, it reaches the second thoracic vertebra . 2. Each thoracic nerve T1-T12 originates from below each corresponding thoracic vertebra . 3. This angle is formed by the junction of the thoracic vertebra . 4. She suffered a compressive fracture of the 12th thoracic vertebra . 5. Its most prominent point behind corresponds to the spinous process of the seventh thoracic vertebra . 6. The ninth thoracic vertebra may have no demi-facets below. 7. The physiologic effects are much greater when the block is placed above the 5th thoracic vertebra . 8. Neurogenic shock results from damage to the spinal cord above the level of the 6th thoracic vertebra . 9. In very rare instances, this vessel arises from the thoracic aorta, as low down as the fourth thoracic vertebra . 10. For official measurement, the spinous process of the fifth thoracic vertebra may be identified by palpation, and marked if necessary.