FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      33
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       3
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       6
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       4
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Insertions Constructs
 adult mesothoracic segment (all annotations which use CV term, excluding "NOT" statements)      33      9      4
     adult mesothoracic segment | anterior | ectopic       3      3       --
     adult mesothoracic segment | dorsal | rescuable maternal effect       1      1       --
     adult mesothoracic segment | ectopic      10      2      3
     adult mesothoracic segment | heat sensitive       1       --       --
     adult mesothoracic segment | posterior       3       --       --
Spanning Tree (Parents/Children)
Only view relationship:
thoracic segment
 |__mesothoracic segment____
 |__adult thoracic segment__|
adult segment               |
 |__adult thoracic segment__|
adult thorax                |
 |__adult thoracic segment__|
                            adult mesothoracic segment  22633 rec.
                             |__adult anterior dorsal mesothoracic nerve 2 rec.
                             |__adult external mesothorax 5197 rec.
                             |   |__adult ventral external mesothorax(+) 216 rec.
                             |   |__mesonotum(+) 5088 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 2503 rec.
                             |   |__anterior notal wing process campaniform sensillum 2 rec.
                             |   |__mesothoracic bristle(+) 2240 rec.
                             |   |__mesothoracic leg sensillum(+) 134 rec.
                             |   |__notal microchaeta 59 rec.
                             |   |__wing sensillum(+) 1030 rec.
                             |__adult posterior dorsal mesothoracic nerve 1 rec.
                             |__mesothoracic leg 371 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(+) 134 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 1572 rec.
                             |   |__adult mesothoracic leg muscle(+) 173 rec.
                             |   |__flight muscle(+) 1571 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 17342 rec.
                             |   |__chordotonal organ of wing(+) 20 rec.
                             |   |__wing anterior compartment(+) 125 rec.
                             |   |__wing blade(+) 6526 rec.
                             |   |__wing hair(+) 1015 rec.
                             |   |__wing hinge(+) 306 rec.
                             |   |__wing margin(+) 2381 rec.
                             |   |__wing posterior compartment(+) 365 rec.
                             |   |__wing sensillum(+) 1030 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.
Spanning Tree View Settings
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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
hide External Crossreferences & Linkouts
UBERON:6003021