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. 2022 Jun 8;119(24):e2120853119. doi: 10.1073/pnas.2120853119

Fig. 7.

Fig. 7.

Ultrastructure of femoral exoskeletal cuticle–ETC–muscle junctions in TcDumpy-, TcCDA1/Dumpy-, and TcCDA2a/Dumpy-depleted insects. (A–D) Ultrathin sections of femurs from day 5 pupae treated with dsTcdumpy, dsTcCda1/dumpy, dsTcCda2a/dumpy, or dsTcVer were prepared to analyze ultrastructure of the exoskeletal cuticle–ETC–muscle junctions. Larger magnifications of the exoskeletal cuticle–ETC junction (E–H) and the MTJ between ETC and muscle fiber (I–L). Yellow arrows in E indicate intracuticular fibers.