A comparison of quantitative ultrastructural and contractile characteristics of muscle fibre types of the perch, Perca fluviatilis L.

H. A. Akster, H. L.M. Granzier, H. E.D.J. ter Keurs

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Quantitative ultrastructural and physiological parameters were investigated in three types of muscle fibres of Perca fluviatilis: white fibres from the m. levator operculi anterior, pink (intermediate) fibres of the m. hyohyoideus and deep red fibres of the m. levator operculi anterior. Times to peak tension and half relaxation times of isometric twitches increased in the mentioned order. The extent of contact between the T system and the sarcoplasmic reticulum and the relative volume and surface area of the terminal cisternae showed an inverse relation with the time to peak tension of the twitch. The maximal isometric tetanic force per unit cross section area was similar for all three investigated types. The inverse relation between the time to peak tension of the twitch and the relative length of contact between T system and SR is in agreement with data obtained for fast- and slow twitch muscle fibres of the carp, Cyprinus carpio L.

Original languageEnglish (US)
Pages (from-to)685-691
Number of pages7
JournalJournal of Comparative Physiology B
Volume155
Issue number6
DOIs
StatePublished - Nov 1985
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry
  • Physiology
  • Animal Science and Zoology
  • Endocrinology

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