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Peter Funch

Musculature of Notholca acuminata (Rotifera : Ploima : Brachionidae) revealed by confocal scanning laser microscopy

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  • M.V. Sørensen, Denmark
  • P. Funch
  • M. Hooge, Denmark
  • S. Tyler, Denmark
  • Department of Biological Sciences, Genetics and Ecology
The body-wall and visceral musculature of Notholca acuminata was visualized using phalloidin-linked fluorescent dye under confocal laser scanning microscopy. The body-wall musculature includes dorsal, lateral, and ventral pairs of longitudinally oriented body retractor muscles, two pairs of head retractors, three pairs of incomplete circular muscles, which are modified into dorso-ventral muscles, and a single pair of dorsolateral muscles. The visceral musculature consists of a complex of thick muscles associated with the mastax, as well as several sets of delicate fibers associated with the corona, stomach, gut, and cloaca, including thin longitudinal gut fibers and viscero-cloacal fibers, never before reported in other species of rotifers. The dorsal, lateral, and ventral retractor muscles and the incomplete circular muscles associated with the body wall appear to be apomorphies for the Rotifera. Muscle-revealing staining shows promise for providing additional information on previously unrecognized complexity in rotifer musculature that will be useful in functional morphology and phylogenetic analyses
Original languageEnglish
JournalInvertebrate Biology
Volume122
Issue3
Pages (from-to)223-230
Number of pages7
ISSN1077-8306
Publication statusPublished - 2003

    Research areas

  • Rotifera, muscles, confocal laser scanning

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