ASIM KUMAR DATTA M.B.B.S., M.S. (CAL.), F.S.M.F. Emeritus Professor of Anatomy, College of Medical Sciences, Bharatpur, Nepal Formerly Professor and Head, Department of Anatomy, Dr. B. C. Roy Post-Graduate Institute of Basic Medical Sciences, Calcutta University, Ex-Visiting Professor, Basic Medical Sciences, Faculty of Medicine, University of Papua New Guinea Fellow of State Medical Faculty, West Bengal