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Morphometry was performed on the left ventricular posterior papillary muscles of seven Wistar rats. The volume densities of myocardial cells, interstitial space, myocardial nuclei, sarcoplasm, mitochondria, myofibrils, ground substance and T tubules, and the surface densities of myocardial cells, mitochondrial membranes and T tubules, were calculated. Though only 1 ultrathin section per animal was evaluated the low standard errors of the means indicate that the method described here will be adequate in most experimental studies. Due to the anisotropy of the surfaces within myocardial cells, the papillary muscles were cut at an angle of 32.4 degrees to their longitudinal axis. This angle is derived from an equation published by Whitehouse (1974). The procedure to correct the loss of cristal membrane images from oblique sectioning is discussed.
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1972,
Nihon Seikeigeka Gakkai zasshi,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1968,
The Anatomical record,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
August 1975,
Cell and tissue research,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
July 1993,
Journal of the American Society of Nephrology : JASN,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
June 1989,
Journal of the American Academy of Dermatology,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
August 1972,
Chest,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1969,
Pathologia et microbiologia,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1971,
Acta medica Polona,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1970,
Shinkei kenkyu no shimpo. Advances in neurological sciences,
G Mall, and
H Reinhard, and
K Kayser, and
J A Rossner
January 1961,
Acta neurovegetativa,
