• 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.