Tissue destruction that occurs after cells have been injured or destroyed is called what?

A patient involved in a motor-vehicle collision has suffered the separation of a rib from a spinal vertebra. Based on the anatomy of the spine, where has this injury occurred?

a. The lumbar spine b. The cervical spine c. The middle spine d. The thoracic spine

A term having the opposite meaning of ventral is ___________________

Fill in the blank(s) with correct word