FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term prothoracic leg ID (Ontology) FBbt:00004663 (Fly Anatomy)
Definition Leg of the prothoracic segment.
Also Known As "first leg" ; "foreleg" ; "T1 leg"
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      64
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       2
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       8
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      15
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 Genes Images Insertions Constructs
 prothoracic leg (all annotations which use CV term, excluding "NOT" statements)      64     16      1     10     22
     prothoracic leg | adult stage       2       --       --       --       1
     prothoracic leg | anterior | somatic clone       3       --       --       --       --
     prothoracic leg | cell autonomous | somatic clone       1       --       --       --       --
     prothoracic leg | distal       2       --       --       --       1
     prothoracic leg | distal | somatic clone       1       --       --       1       --
     prothoracic leg | ectopic      10       --       --       1      1
     prothoracic leg | ectopic | male       3       --       --       --       --
     prothoracic leg | ectopic | somatic clone       1       --       --       --       --
     prothoracic leg | female       4       --       --       3       --
     prothoracic leg | female limited       2       --       --       --       1
     prothoracic leg | heat sensitive       2       --       --       --       1
     prothoracic leg | somatic clone       5       --       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
prothoracic segment
 |__adult prothoracic segment____
adult thoracic segment           |
 |__adult prothoracic segment____|
 |__leg__________________________|
adult external thorax            |
 |__leg__________________________|
appendage                        |
 |__leg__________________________|
ectodermal derivative            |
 |__ventral ectoderm derivative__|
                                 prothoracic leg  761 rec.
                                  |__prothoracic accessory tibial flexor muscle 1 rec.
                                  |   |__muscle cell of prothoracic accessory tibial flexor muscle 1 rec.
                                  |__prothoracic accessory trochanter levator muscle
                                  |   |__prothoracic accessory trochanter levator muscle cell
                                  |__prothoracic coxa 18 rec.
                                  |   |__hair plate of prothoracic coxa(+) 1 rec.
                                  |   |__prothoracic coxal bristle(+) 4 rec.
                                  |   |__prothoracic coxal trichoid sensillum(+) 5 rec.
                                  |__prothoracic coxa-trochanter joint
                                  |__prothoracic femoral depressor muscle
                                  |   |__prothoracic femoral depressor muscle cell
                                  |__prothoracic femur 26 rec.
                                  |   |__prothoracic femoral bract 8 rec.
                                  |   |__prothoracic femoral bristle
                                  |   |__prothoracic femoral campaniform sensillum(+) 1 rec.
                                  |   |__prothoracic femoral chordotonal organ(+) 7 rec.
                                  |__prothoracic femur-tibia joint
                                  |__prothoracic leg anterior compartment 2 rec.
                                  |__prothoracic leg hair plate 1 rec.
                                  |   |__hair plate of prothoracic coxa(+) 1 rec.
                                  |   |__hair plate of prothoracic tibia TiHP3
                                  |   |__hair plate of prothoracic trochanter(+) 1 rec.
                                  |__prothoracic leg posterior compartment 2 rec.
                                  |__prothoracic leg sensillum 173 rec.
                                  |   |__prothoracic coxal bristle(+) 4 rec.
                                  |   |__prothoracic coxal trichoid sensillum(+) 5 rec.
                                  |   |__prothoracic femoral bristle
                                  |   |__prothoracic femoral campaniform sensillum(+) 1 rec.
                                  |   |__prothoracic leg mechanosensory bristle(+) 64 rec.
                                  |   |__prothoracic leg taste bristle(+) 21 rec.
                                  |   |__prothoracic metatarsal campaniform sensillum(+)
                                  |   |__prothoracic tarsal 3 campaniform sensillum
                                  |   |__prothoracic tarsal 5 campaniform sensillum
                                  |   |__prothoracic tibial bristle(+) 29 rec.
                                  |   |__prothoracic tibial campaniform sensillum(+)
                                  |   |__prothoracic tibial sense organ 1 rec.
                                  |   |__prothoracic tibial trichoid sensillum 2 rec.
                                  |   |__prothoracic trochanter campaniform sensillum(+) 2 rec.
                                  |   |__prothoracic trochanter trichoid sensillum(+) 2 rec.
                                  |   |__prothoracic trochanteral bristle(+) 1 rec.
                                  |   |__sex comb tooth 40 rec.
                                  |   |__trichoid sensillum of cervical membrane of prothoracic leg
                                  |__prothoracic pretarsal depressor muscle 1 rec.
                                  |   |__prothoracic femoral pretarsal depressor muscle(+) 1 rec.
                                  |   |__prothoracic pretarsal depressor muscle cell(+)
                                  |   |__prothoracic tibial pretarsal depressor muscle(+) 1 rec.
                                  |__prothoracic tarsal levator muscle 42 1 rec.
                                  |   |__muscle cell of prothoracic tarsal levator muscle 42 1 rec.
                                  |__prothoracic tarsal retro depressor muscle
                                  |   |__muscle cell of prothoracic tarsal retro depressor muscle(+)
                                  |   |__prothoracic anterior tarsal retro depressor muscle(+)
                                  |   |__prothoracic posterior tarsal retro depressor muscle(+)
                                  |__prothoracic tarsus 594 rec.
                                  |   |__prothoracic tarsal segment(+) 594 rec.
                                  |__prothoracic tibia 50 rec.
                                  |   |__hair plate of prothoracic tibia TiHP3
                                  |   |__prothoracic tibial bract 5 rec.
                                  |   |__prothoracic tibial bristle(+) 29 rec.
                                  |   |__prothoracic tibial sense organ 1 rec.
                                  |   |__prothoracic tibial trichoid sensillum 2 rec.
                                  |__prothoracic tibia-tarsus joint
                                  |__prothoracic tibial depressor muscle 40 1 rec.
                                  |   |__muscle cell of prothoracic tibial depressor muscle 40 1 rec.
                                  |__prothoracic trochanter 8 rec.
                                  |   |__hair plate of prothoracic trochanter(+) 1 rec.
                                  |   |__prothoracic trochanter campaniform sensillum(+) 2 rec.
                                  |   |__prothoracic trochanter trichoid sensillum(+) 2 rec.
                                  |   |__prothoracic trochanteral bristle(+) 1 rec.
                                  |__proximal joint of prothoracic coxa
Spanning Tree View Settings
Parents/Children
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hide Relationships
Is a leg
ventral ectoderm derivative
Develops from prothoracic leg disc
Part of adult prothoracic segment
hide Synonyms & Secondary IDs
Synonyms
  • "first leg" EXACT
    "foreleg" EXACT
    "T1 leg" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?fore%20leg
UBERON:6004663