part of part of in taxon results in development of dentate gyrus development The process whose specific outcome is the progression of the dentate gyrus over time, from its formation to the mature structure. The dentate gyrus is one of two interlocking gyri of the hippocampus. It contains granule cells, which project to the pyramidal cells and interneurons of the CA3 region of the ammon gyrus. GO:0021542 hippocampus development anatomical structure development Mammalia dentate gyrus of hippocampal formation