Preferred Label : prothoracic metatarsus;
Uberon definition : First tarsal segment of the prothoracic leg. Proximally, it articulates with the tibia
and distally with the second tarsal segment. Its surface is covered with eight longitudinal
rows of bristles and with transverse rows of bristles (TR) in the anterior compartment,
between proximo-distal rows 7 and 8. There is sexual dimorphism in the number of TRs
(transverse row bristles, TR). In males, 2 TRs are replaced by the sex comb and one
central bristle.;
Uberon synonym : T1 tarsal segment 1; prothoracic tarsal segment 1; T1 Ts1; prothoracic basitarsus;
Origin ID : 6004670;
develops from
First tarsal segment of the prothoracic leg. Proximally, it articulates with the tibia
and distally with the second tarsal segment. Its surface is covered with eight longitudinal
rows of bristles and with transverse rows of bristles (TR) in the anterior compartment,
between proximo-distal rows 7 and 8. There is sexual dimorphism in the number of TRs
(transverse row bristles, TR). In males, 2 TRs are replaced by the sex comb and one
central bristle.
