Structure and macromolecular composition of the myotendineal junction. Histochemical, immunohistochemical and electron microscopic study of the rat calf muscles.

L. Józsa, M. Kvist, P. Kannus, T. Vieno, M. Järvinen, M. Lehto

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The macromolecular composition and ultrastructure of the myotendineal junction (MTJ) of slow-twitch (type 1) and fast-twitch (type 2) muscle fibers were studied in the gastrocnemius-soleus-Achilles unit of the rat. Both proteoglycans and glycosaminoglycans, type III collagen, fibronectin and laminin could be detected at the MTJ. Due to membrane folding, finger-like processes were seen at the myotendineal junction. The processes of the type 1 fibers are greater in size, however, due to subdivisions, the processes of type 2 muscle fibers had a greater surface than type 1 fibers. The macromolecular composition is similar in both type 1 and type 2 muscle fibers.

Original languageEnglish
Pages (from-to)287-297
Number of pages11
JournalActa Microbiologica Hungarica
Volume39
Issue number4
Publication statusPublished - 1991

Fingerprint

Fast-Twitch Muscle Fibers
Electrons
Muscles
Slow-Twitch Muscle Fibers
Collagen Type III
Laminin
Proteoglycans
Glycosaminoglycans
Fibronectins
Membranes

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)
  • Anatomy

Cite this

Structure and macromolecular composition of the myotendineal junction. Histochemical, immunohistochemical and electron microscopic study of the rat calf muscles. / Józsa, L.; Kvist, M.; Kannus, P.; Vieno, T.; Järvinen, M.; Lehto, M.

In: Acta Microbiologica Hungarica, Vol. 39, No. 4, 1991, p. 287-297.

Research output: Contribution to journalArticle

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