Description:The new edition of The Embryonic Human Brain: An Atlas of Developmental Stages represents the integration of analysis of the serial sections of human embryos in the Carnegie collection with results of the latest ultrasound studies. It provides summaries of the morphological status of the brain at each stage of development, covering both normal and anomalous conditions. Preceding the atlas are several chapters that present historical aspects, techniques, and prenatal measurements, as well as an introduction to embryonic staging, and terminology accompanied by over definitions of key terms.