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).
Calcitriol tablets are used to treat bone disease in people with kidney problems (renal osteodystrophy) and weakening of the bones in women after the menopause (post-menopausal osteoporosis). Calcitriol ointment is used to treat a skin disorder called plaque psoriasis (psoriasis vulgaris).