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Musculature of an illoricate predatory rotifer Asplanchnopus multiceps as revealed by phalloidin fluorescence and confocal microscopy |
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| Authors: | Kotikova E A Raikova O I Reuter M Gustafsson M K S |
| Institution: | Zoological Institute of the Russian Academy of Sciences, 199034 St-Petersburg, Russia. |
| Abstract: | The pattern of muscles in the actively swimming predatory rotifer Asplanchnopus multiceps is revealed by staining with tetramethyl-rhodamine isothiocyanate (TRITC)-labelled phalloidin and confocal scanning laser microscopy (CSLM). The major components of the musculature are: prominent semicircular muscles of the corona; paired lateral, dorsal and ventral retractors in the trunk; a network of six seemingly complete circular muscles and anastomosing longitudinal muscles in the trunk; two short foot retractors, originating from a transverse muscle in the lower third of the trunk. The sphincter of the corona marks the boundary between the head and the trunk. The muscular patterns in rotifers with different lifestyles differ clearly, therefore, the muscular patterns seem to be determined by the mode of locomotion and feeding behaviour. |
| Keywords: | bs basal structure CI-CV circular muscles cf connecting fibres dr dorsal retractors f foot fr foot retractors lm longitudinal muscles lr lateral retractors mc muscles of the corona mf muscle fibres mm muscles of the mastax pcm postcoronal circular muscle sc sphincter of the corona tm transverse muscle vr ventral retractors |
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