part of part of embryonic head insect larval head insect embryonic/larval digestive system insect cephalopharyngeal skeleton cephalo-pharyngeal skeleton mouth parts UBERON:6001845 A group of connected sclerites of the anterior embryonic/larval digestive system (atrium, pharynx and dorsal pouch). The cibarial dilator muscles connect to the cephalopharyngeal skeleton to lift the roof of the pharynx and thereby widen its lumen (Jurgens, 1986). FBbt:00001845 larval head skeleton insect cuticular specialization