FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term mesothoracic femur ID (Ontology) FBbt:00004689 (Fly Anatomy)
Definition Segment of the mesothoracic leg. Proximally, it articulates with the trochanter and distally with the tibia. In the posterior compartment many of the bristles are missing, including the very large bristles (zone of no bristles, ZNB).[ FlyBase:FBrf0031004 FlyBase:FBrf0219028 ]
Also Known As "T2 femur"
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       8
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       2
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
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 Insertions Constructs
 mesothoracic femur (all annotations which use CV term, excluding "NOT" statements)       8      1      2      3
Spanning Tree (Parents/Children)
Only view relationship: 
adult mesothoracic segment
 |__mesothoracic leg_________
leg                          |
 |__mesothoracic leg_________|
segment of leg               |
 |__femur____________________|
ventral ectoderm derivative  |
 |__mesothoracic leg_________|
                             mesothoracic femur  29 rec.
                              |__mesothoracic femoral bract 8 rec.
                              |__mesothoracic femoral campaniform sensillum
                              |   |__mesothoracic femoral campaniform sensillum Sc1
                              |   |__mesothoracic femoral campaniform sensillum Sc11
                              |__mesothoracic femoral chordotonal organ 7 rec.
                                  |__mesothoracic femoral chordotonal organ 1
                                  |__mesothoracic femoral chordotonal organ 2
                                  |__mesothoracic femoral chordotonal organ 3
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Is a femur
Develops from presumptive mesothoracic femur
Part of mesothoracic leg
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Synonyms
  • "T2 femur" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?mesofemur