This title is winner of British Medical Association Book Awards 2009 - Highly Commended, Obstetrics and Gynaecology. This thoroughly revised 4th edition offers both clear descriptions and explanations of human embryonic development based on all the most up-to-date scientific discoveries and understanding. Particular attention is paid to the fundamental aspects of molecular mechanisms in development, introducing you to major families of important developmental molecules. Clinical aspects of development are covered throughout in boxed sections of text. First-rate illustrations and Student Consult access, including online animations, complete this essential package.