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.
A psychologist is an expert in the study of human behavior. A child psychologist specializes in understanding thought processes and actions of children and interpreting them to guide appropriate mental health treatment. child psychologist specializes in understanding thought processes and actions of children and interpreting them to guide appropriate mental health treatment.