part of embryonic/larval prothoracic sensillum prothoracic lateral trichoid sensillum lh1 fly_anatomy.ontology FBbt:00002735 VFB:FBbt_00002735 H Trichoid sensillum of the lateral sensory cluster of the embryonic/larval prothoracic segment. sh C prothoracic lateral sensillum trichodeum lh1 h1 trichoid sensillum larval prothoracic lateral sensory cluster