part of larval abdominal segment X anal papilla Fig 59,60,61,62,64,65 Abbr: APP in ISBN:0-937548-00-6. In mosquito and other dipterous larvae, one of usually four soft elongate processes borne posteriorly around the anus of abdominal segment X. Presumably representing the modified cerci of embryonic abdominal segment XI. TGMA:0001246 TGMA:0001246 Tracheenkieme anal appendage anal finger anal flap anal gill anal lobe anal plate anal process anal tracheal gill anal tubercle blood gill caudal fin default_namespace flap gill gill flap papilla process terminal flap tracheal gill