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.
feasibility study. A detailed investigation and analysis conducted to determine the financial, economic, technical, or other advisability of a proposed project. feasibility study. Part of the systems develpment life cycle which aims to determine whether it is sensible to develop some system.