blastoderm: the germinal membrane from which the organs of the embryo are formed. Explanation of Terms Used in Entomology John. B. Smith He it was who introduced the terms Keimhaut (blastoderm) and Keimblatt (germ-layer).
Child Study. Child study, also called paidology or experimental pedagogy, was the attempt to apply the methods of modern science to the investigation of children in order to discover the laws of normal child development.
Child psychology is a branch of psychology that focuses on children from infancy through adolescence. A wide variety of topics within psychology are encompassed by this discipline, including abnormal psychology, social psychology, developmental psychology, and so forth.hild psychology is a branch of psychology that focuses on children from infancy through adolescence. A wide variety of topics within psychology are encompassed by this discipline, including abnormal psychology, social psychology, developmental psychology, and so forth.