Establishment of Body Pattern -- Fertilization and Activation of the Embryonic Genome -- Asymmetry and Pre-Pattern in Mammalian Development -- Anterior Posterior Patterning of the Mouse Body Axis at Gastrulation -- Left-Right Asymmetry -- Patterning, Regionalization and Cell Differentiation in the Forebrain -- Establishment of Anterior-Posterior and Dorsal-Ventral Pattern in the Early Central Nervous System -- Somitogenesis: Segmentation of the Paraxial Mesoderm and the Delineation of Tissue Compartments -- II. Lineage Specification and Differentiation -- Extraembryonic tissues -- Germ Cells -- Development of the Vertebrate Hematopoetic System -- Vasculogenesis and Angiogenesis -- Stem Cells of the Nervous System -- Cellular and Molecular Mechanisms Regulating Skeletal Muscle Development -- Chondrogenesis and Skeletogenesis -- III.Organogenesis -- Development of the Endoderm and its Tissue Derivatives -- Heart Development: Induction, Myogenesis and Patterning -- Sex Determination and Differentiation -- The Development of the Excretory System -- Craniofacial Development -- Pituitary Gland Development -- Sensory Organs: Eye -- Development of the Mouse Inner Ear -- Integumentary Structures.