Tenth edition of this book has been improvised as per student’s current requirements. The chapters have been revised with simplified representation. The contents are updated incorporating the recent advances that the students must be aware off. The content has been stratified to must know, good to know and nice to know categories. This intends to progressively take students from basic understanding to in-depth knowledge as per their needs. The content is modified and revised according to the new competency-based curriculum. Optic nerve and umbilical cord are added as per NMC requirements.