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Control treatment and cross section of the nematode body wall close to the lateral cord (a) with alae (A) and at the upper part of the body (b). Details of the cuticle were shown: ep = thin, electron dense, osmophilic epicuticle, ex = exocuticle, i = intermediate zone, en = lamellar endocuticle. Note thick layer of somatic muscles (sm) with prominent thick filaments and nuclei of cells surrounded by endoplasmic reticulum.
