FB2026_03 , released September 17, 2026
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Term mechanosensory labral sensillum ID (Ontology) FBbt:00004147 (Fly Anatomy)
Definition Sensillum of the adult labral sense organ in the adult pharynx that is innervated only by a single mechanosensory receptor neuron (Nayak and Singh, 1983; Chen and Dahanukar, 2017). There are 6 of these sensilla per LSO, numbered from proximal to distal and they are proximal to the chemosensory sensilla (Nayak and Singh, 1983; Chen and Dahanukar, 2017).[ FlyBase:FBrf0074012 FlyBase:FBrf0237413 ]
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VFB:FBbt_00004147
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pharyngeal sense organ
 |__adult labral sensillum________
adult labral sense organ          |
 |__adult labral sensillum________|
sense organ                       |
 |__mechanosensory sensory organ__|
eo-type sensillum                 |
 |__adult labral sensillum________|
adult head sensillum              |
 |__adult labral sensillum________|
mechanosensory system             |
 |__mechanosensory sensory organ__|
                                  mechanosensory labral sensillum
                                   |__mechanosensory labral sensillum 1
                                   |__mechanosensory labral sensillum 2
                                   |__mechanosensory labral sensillum 3
                                   |__mechanosensory labral sensillum 4
                                   |__mechanosensory labral sensillum 5
                                   |__mechanosensory labral sensillum 6
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Is a mechanosensory sensory organ
adult labral sensillum
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VFB:FBbt_00004147