FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term mesothoracic metatarsus ID (Ontology) FBbt:00004692 (Fly Anatomy)
Definition First tarsal segment of the mesothoracic leg. Proximally, it articulates with the tibia and distally with the second tarsal segment. Its surface is covered with eight longitudinal rows of bristles, with ventral rows 1 and 8 having thicker and shorter bristles. In contrast to the pro- and metathoracic metatarsi.[ FlyBase:FBrf0012178 FlyBase:FBrf0031004 FlyBase:FBrf0219028 ]
Also Known As "mesothoracic basitarsus" ; "mesothoracic tarsal segment 1" ; "T2 tarsal segment 1" (for all, see Synonyms field below)
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      16
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       2
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
 mesothoracic metatarsus (all annotations which use CV term, excluding "NOT" statements)      16      2
     mesothoracic metatarsus | heat sensitive       2       --
Spanning Tree (Parents/Children)
Only view relationship:
tarsal segment
 |__metatarsus___________________
 |__mesothoracic tarsal segment__|
                                 mesothoracic metatarsus  18 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a metatarsus
mesothoracic tarsal segment
Develops from presumptive mesothoracic metatarsus
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?mesobasitarsus