. Extensive revision of each chapter as per the basis on scientific advancement and subject requirement. . Revised as per the Competency Based Undergraduate Medical Curriculum and ensured coverage of all the competencies. . Enriched text with additional new line diagrams, clinical photographs, ultrasonographs, flowcharts, and tables to facilitate greater retention of knowledge. . Clinical correlations integrated in the text, highlighting practical application of embryological facts have been modified extensively. . Additional information of higher academic value presented in a simplified manner in N.B. to make it more interesting for readers. . Embryological events relevant to prenatal diagnostic and surgical procedures are clinically correlated throughout the text. . Patient-oriented case studies/problems, and their embryological and genetic basis are presented at the end of each chapter for problem-based learning in clinical situations. . Golden facts to remember are useful for the candidates appearing in various entrance examinations like PGME, USMLE, PLAB, etc. . Addition of new chapters on Basic Processes of Development and Their Molecular Regulation; Teratology/Birth Defects; Prenatal Diagnosis, and Fetal Therapy. . Weekely organization of developmental events up to 8th week of development.

Vishram Singh is presently Professor and Head, Department of Anatomy, and Member of the Academic Council and Core Committee PhD Course, Santosh Medical College, Santosh University, Ghaziabad, Uttar Pradesh, India. He is also Editor-in-Chief, Journal of the Anatomical Society of India. He holds MBBS and MS (Anatomy) degrees from King George's Medical College, Lucknow, UP. Professor Singh has been teaching anatomy to undergraduate and postgraduate students at several colleges and institutes like King George's Medical College, and All India Institute of Medical Sciences, New Delhi, and has been an examiner to various colleges and universities. He has more than 40 years of experience in teaching, research, and clinical practice. He is the recipient of The Best Teacher and Researcher Award from Al-Arab Medical University, Benghazi, Libya. He is an expert in anatomy and has more than 15 books to his credit and published several research articles in national and international journals.