Somatic Musculature of Trichodorus porosus and Criconemoides similis.
The somatic musculature of Trichodorus porosus is transversely striated, and that of Criconemoides similis is obliquely striated. The species also differ in configuration of the myofibrils, arrangement of the filaments within the myofibrils, and abundance of sarcoplasmic reticulum. Both species are platymyarian and meromyarian. The muscle cells are composed of myofibrils, sarcoplasm, sarcoplasmic reticulum, and various organelles. The myofibrils of both species contain actin and myosin filaments.
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