DEVELOPMENTAL DYNAMICS publishes cutting-edge research in the field of developmental biology, focusing on morphogenesis?the study of the emergence of form during embryogenesis. The journal includes articles ranging from the theoretical to the analytical, and it covers all levels of biological organization and model systems. Emphasizing tissue, cellular and molecular-genetic mechanisms of morphogenesis, Developmental Dynamics publishes research articles, topic reviews, hot new techniques, expression patterns, mutant phenotypes, book reviews and meeting reviews. The section entitled Patterns & Phenotypes highlights important descriptive studies, especially those illustrating gene and protein expression patterns, as well as phenotypes resulting from mutagenesis or gene mis-expression. Topic reviews are fully peer reviewed and comprise both short perspectives and longer comprehensive reviews on timely topics, and they present critical syntheses, innovative thinking and new approaches to problems in development at every level of organization.

Developmental Dynamics , an official publication of the American Association of Anatomists , provides a focus for communication among developmental biologists who study the emergence of form during embryonicdevelopment. The journal is an international forum for the exchange of novel and significant information gained from analytical and theoretical investigations on the mechanisms that control morphogenesis. Developmental Dynamics seeks manuscripts on work done at all levels of biological organization, ranging from the molecular to the organismal.

Representative topics of Interest Include:

• Mechanisms underlying morphogenesis Pattern formation
• Tissue organization and repair
• Transcriptional and post-transcriptional controls governing the emergence of diverse biologic form
• Analytical methods for the visualization of molecular, cytologic, and ultrastructural aspects of dynamic developmental processes
• Cell-cell signalling and cell-matrix interactions
• Genetic and molecular probes for the study of cell lineages and developmental pathways
• Transgenic approaches for studying the control of tissue- and organ-specific gene expression
• Mathematical models of morphogenetic processes.