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 specialized area of professional psychology that applies scientific knowledge and therapeutic skills in the assessment and treatment of psychological issues of infants, toddlers, children and adolescents.hild psychology is a specialized area of professional psychology that applies scientific knowledge and therapeutic skills in the assessment and treatment of psychological issues of infants, toddlers, children and adolescents.