part of embryonic/larval prothoracic sensillum Kolbchen larval prothoracic dorsal sensory cluster prothoracic dorsal Kolbchen dbd 2010-11-26T10:55:35Z dorsal black dot FBbt:00100326 Dorsal Kolbchen of the embryonic/larval prothoracic (T1) segment. It is innervated by two neurons (Dambly-Chaudiere and Ghysen, 1986) and is located more dorsally in the segment than the dorsal-most Kolbchen of the meso- and metathoracic (T2-T3) segments. VFB:FBbt_00100326 dbd fly_anatomy.ontology