FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term adult mesothoracic segment ID (Ontology) FBbt:00003021 (Fly Anatomy)
Definition Any mesothoracic segment of the adult.
Also Known As"mesothorax" ; "t2" ; "thoracic segment 2"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Insertions Constructs
 adult mesothoracic segment (all annotations which use CV term, excluding "NOT" statements)
     adult mesothoracic segment | anterior | ectopic
      --
     adult mesothoracic segment | dorsal | rescuable maternal effect
      --
     adult mesothoracic segment | ectopic
     adult mesothoracic segment | heat sensitive
      --       --
     adult mesothoracic segment | posterior
      --       --
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Vocabulary search
thoracic segment
 |__mesothoracic segment____
 |__adult thoracic segment__|
adult segment               |
 |__adult thoracic segment__|
adult thorax                |
 |__adult thoracic segment__|
                            adult mesothoracic segment  22755 rec.
                             |__adult anterior dorsal mesothoracic nerve 2 rec.
                             |__adult external mesothorax 5209 rec.
                             |   |__adult ventral external mesothorax(+) 216 rec.
                             |   |__mesonotum(+) 5100 rec.
                             |__adult mesothoracic accessory nerve 1 rec.
                             |__adult mesothoracic leg nerve 1 rec.
                             |__adult mesothoracic neuromere 27 rec.
                             |   |__adult inframedial bridge
                             |   |__adult mesothoracic anterior anterior ventral commissure
                             |   |__adult mesothoracic anterior intermediate commissure
                             |   |__adult mesothoracic anterior posterior intermediate commissure
                             |   |__adult mesothoracic dorsal anterior intermediate commissure
                             |   |__adult mesothoracic dorsal posterior intermediate commissure
                             |   |__adult mesothoracic posterior anterior ventral commissure
                             |   |__adult mesothoracic posterior dorsal commissure
                             |   |__adult mesothoracic posterior posterior intermediate anterior commissure
                             |   |__adult mesothoracic posterior posterior intermediate posterior commissure
                             |   |__adult mesothoracic ventral anterior intermediate commissure
                             |   |__adult T2 leg neuropil(+)
                             |   |__cell body rind of adult mesothoracic neuromere(+)
                             |   |__commissure of fine fibers of the ITD
                             |   |__dorsal accessory commissure of the mesothoracic neuromere
                             |   |__tectulum of mesothoracic neuromere(+) 2 rec.
                             |__adult mesothoracic segment anterior compartment 3 rec.
                             |__adult mesothoracic segment posterior compartment 8 rec.
                             |__adult mesothoracic sensillum 2510 rec.
                             |   |__anterior notal wing process campaniform sensillum 3 rec.
                             |   |__mesothoracic bristle(+) 2251 rec.
                             |   |__mesothoracic leg sensillum(+) 135 rec.
                             |   |__notal microchaeta 59 rec.
                             |   |__wing sensillum(+) 1028 rec.
                             |__adult posterior dorsal mesothoracic nerve 1 rec.
                             |__mesothoracic leg 372 rec.
                             |   |__mesothoracic accessory tibial flexor muscle(+)
                             |   |__mesothoracic accessory trochanter levator muscle(+)
                             |   |__mesothoracic coxa(+) 10 rec.
                             |   |__mesothoracic coxa-trochanter joint
                             |   |__mesothoracic femoral depressor muscle(+)
                             |   |__mesothoracic femur(+) 29 rec.
                             |   |__mesothoracic femur-tibia joint
                             |   |__mesothoracic leg anterior compartment 5 rec.
                             |   |__mesothoracic leg hair plate(+) 1 rec.
                             |   |__mesothoracic leg posterior compartment 6 rec.
                             |   |__mesothoracic leg sensillum(+) 135 rec.
                             |   |__mesothoracic pretarsal depressor muscle(+)
                             |   |__mesothoracic tarsal levator muscle 73(+)
                             |   |__mesothoracic tarsal retro depressor muscle(+)
                             |   |__mesothoracic tarsus(+) 84 rec.
                             |   |__mesothoracic tibia(+) 61 rec.
                             |   |__mesothoracic tibia-tarsus joint
                             |   |__mesothoracic tibial depressor muscle 71(+)
                             |   |__mesothoracic trochanter(+) 2 rec.
                             |   |__proximal joint of mesothoracic coxa
                             |__mesothoracic postnotal ridge
                             |__scutellar pulsatile organ 7 rec.
                             |__somatic muscle of mesothorax 1588 rec.
                             |   |__adult mesothoracic leg muscle(+) 173 rec.
                             |   |__flight muscle(+) 1587 rec.
                             |   |__mesothoracic lateral intrasegmental muscle 61(+) 2 rec.
                             |   |__mesothoracic spiracle occlusor muscle 76(+) 2 rec.
                             |   |__mesothoracic ventral longitudinal muscle 62(+) 2 rec.
                             |   |__somatic muscle cell of mesothorax(+) 1381 rec.
                             |__wing 17448 rec.
                             |   |__chordotonal organ of wing(+) 20 rec.
                             |   |__wing anterior compartment(+) 125 rec.
                             |   |__wing blade(+) 6532 rec.
                             |   |__wing hair(+) 1023 rec.
                             |   |__wing hinge(+) 306 rec.
                             |   |__wing margin(+) 2413 rec.
                             |   |__wing posterior compartment(+) 377 rec.
                             |   |__wing sensillum(+) 1028 rec.
                             |   |__wing vein segment(+) 43 rec.
                             |__wing nerve 128 rec.
                                 |__combined L1-L3 nerve 1 rec.
                                 |__costal nerve 2 rec.
                                 |__L3 nerve 1 rec.
                                 |__marginal nerve(+) 71 rec.
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Is a mesothoracic segment
adult thoracic segment
Part of
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Synonyms
  • "mesothorax" EXACT
    "t2" EXACT
    "thoracic segment 2" EXACT
Secondary IDs
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UBERON:6003021