Parvocellular part

Parvocellular cells are neurons located within the parvocellular layers of the lateral geniculate nucleus of the thalamus. "Parvus" means "small" in Latin, and the name "parvocellular" refers to the small size of the cell compared to the larger magnocellular cells. Phylogenetically, parvocellular neurons are more modern than magnocellular ones