The vertebral column is a collection of individual bones  called vertebrae that encase and protect thâ¦e spinal cord. The  vertebral column is divided into three parts: seven cervical (neck)  vertebrae at the top, twelve thoracic vertebrae in the midback, and  five lumbar vertebrae in the lower back.
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Clopidogrel is in the thienopyridine-class of antiplatelet agent. It works by irreversibly inhibiting a receptor called P2Y 12 on platelets. Clopidogrel was first written about in 1982 and was approved for medical use in 1998.