plasma membrane bounded cell projection dinoflagellate peduncle 2015-11-22T10:22:46Z A small, flexible, finger-like projection of cytoplasm containing an array of microtubles and located near the flagellar pores in some photosynthetic as well as nonphotosynthetic dinoflagellate species. Its functions are not fully understood, but it has been associated with feeding behavior (phagotrophy). pr cellular_component GO:1990905 The term name refers to a taxonomic group to make the label unique with respect to similarly-named anatomical structures.