Human muscle fiber fine structure

morphometric data on controls

F. Jerusalem, Andrew G Engel, H. A. Peterson

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Muscle fiber fine structure was quantitatively analyzed in 70 longitudinally and 65 transversely sectioned fibers from 10 control subjects without weakness. The average mitochondrial fraction of the fiber volume is close to 4% and the mean size of a mitochondrion is about 0.1 μm2. The sarcotubular surface area per unit fiber volume is close to 1.5 μm2/μm3 in transverse sections and 0.65 times this value in longitudinal sections. Only one third of all fibers contain lipid droplets in the sectioned plane, and for all fibers, fraction the droplets account for approximately 0.12% of the fiber volume. Variations with the age and sex of the subjects and with different muscles were analyzed and the feasibility of typing human muscle fibers at the ultrastructural level was evaluated.

Original languageEnglish (US)
Pages (from-to)127-134
Number of pages8
JournalNeurology
Volume25
Issue number2
StatePublished - 1975

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Muscles
Mitochondrial Size
Lipid Droplets

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Jerusalem, F., Engel, A. G., & Peterson, H. A. (1975). Human muscle fiber fine structure: morphometric data on controls. Neurology, 25(2), 127-134.

Human muscle fiber fine structure : morphometric data on controls. / Jerusalem, F.; Engel, Andrew G; Peterson, H. A.

In: Neurology, Vol. 25, No. 2, 1975, p. 127-134.

Research output: Contribution to journalArticle

Jerusalem, F, Engel, AG & Peterson, HA 1975, 'Human muscle fiber fine structure: morphometric data on controls', Neurology, vol. 25, no. 2, pp. 127-134.
Jerusalem, F. ; Engel, Andrew G ; Peterson, H. A. / Human muscle fiber fine structure : morphometric data on controls. In: Neurology. 1975 ; Vol. 25, No. 2. pp. 127-134.
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