part_of adult leg adult trochanter Fig. 4-20, with permission from the editor, Journal of Parasitology. TADS:0000279 TADS:0000279 The segment of the leg that is attached to the coxa on the proximal side and the femur on the distal side. The trochanter canbe flexed or extended by internal muscles from the coxa to the trochanter. Soft articulatory cuticle occurs between the two joints. default_namespace