part of pharyngeal sense organ adult labral sense organ sensillum eo-type sensillum adult head sensillum adult labral sensillum 2026-04-06T09:31:17Z FBbt:00053637 Sensillum that forms part of an adult labral sense organ (LSO) (Nayak and Singh, 1983; Chen and Dahanukar, 2017). There are 9 of these per LSO: six proximal, solely mechanosensory, sensilla, one sensillum innervated by eight chemosensory neurons, and two distal sensilla, each innervated by one chemosensory and one mechanosensory neuron (Nayak and Singh, 1983; Chen and Dahanukar, 2017). VFB:FBbt_00053637 fly_anatomy.ontology