This reading only addresses the innate (instinctive behaviors) but it is a good introduction to behavior in general and then more specifically the different levels and types of innate behavior. 1  Students are broken up into heterogeneous groups based on reading level.
The National Science Foundation (NSF) is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National Institutes of Health.
Medical Definition of Tumor necrosis factor. Tumor necrosis factor: One of multiple proteins capable of inducing necrosis (death) of tumor cells that possess a wide range of proinflammatory actions. Abbreviated TNF. TNF is a multifunctional cytokine with effects on lipid metabolism, coagulation, insulin resistance, and the function of endothelial cells lining blood vessels.