This bestselling resource distills all of the most essential information on 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 New Edition emphasizes the clinical aspects throughout by using a clinical correlations as well as hundreds of outstanding illustrations. Features a wealth of clinical case studies-and hundreds of color photgraphs-enabling readers to relate what they are learning to clinical practice. Contains a chapter on birth defects that can be used as a "mini textbook" on the subject. Integrates 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. Includes the new terminology developed for embryology-the Terminoligica Embryologica. Presents completely revised and updated Clinically Oriented Questions and Answers based on the current requirements of the USMLE Step 1. Has been reviewed by leading geneticists and pediatricians to ensure that all of the information reflects the realities of clinical practice.