Before We Are Born

This highly successful resource distills all of the most essential information of human embryology and teratology from THE DEVELOPING HUMAN: CLINICALLY ORIENTED EMBRYOLOGY, 7th Edition presenting the crucial clinical and scientific concepts in an easy-to-use format. Completely revised and updated, the 6th Edition emphasizes the clinical aspects throughout by using clinical correlations as well as hundreds of outstanding illustrations.Incorporates the molecular aspects of embryonic development, including information on stem cells · homeobox genes · gamete formation · regulation control and the molecules/receptors involved · gene activity and expression · and more. Includes illustrations of new diagnostic procedures, including sonographs, MRIs, electron micrographs, 3D images, and clinical photographs. Presents completely revised and updated Clinically Oriented Questions and Answers based on the current requirements of the USMLE Step 1. Offers reader-friendly features including brief explanations of clinical terms · clinical applications boxes · timetables for critical periods in prenatal development · and end-of-chapter summaries-enabling readers to quickly zero in on essential information.