Morphology is the study of word formation and structure. Vapor is responsible for the familiar processes of cloud formation and condensation. Forms consist of four flights of learning the basics of close in formation flying. Semantic studies are relevant to various stages of concept formation. HDI is indicator of positive correlation between human capital formation and economic development. Cyclogenesis is the process of cyclone formation and intensification. It can bind to thrombin that decreases the fibrin formation. This feeds the bacteria involved in plaque formation. Oogenesis is the process of female gamete formation in animals. Spermatogenesis is the process of male gamete formation in animals. Darwin set out a sequence of three stages in atoll formation. Bone volume is determined by the rates of bone formation and bone resorption. These include many types of formation or reorganization. Stress has a significant effect on memory formation and learning. It is synonymous with bone tissue formation.