Zusammenfassung
Auf Basis der Skeletmuskelbiopsie bereiteten die Autoren im flüssigen Stickstoff gefrorene Quer- und Längsschnitte horizontaler gerader Augenmuskeln vor, die mit HE, Gomori 3 C gefärbt wurden. Die Enzymaktivität für Myosin ATP-ase, NADH, men αGPD und SDH wurde festgestellt, die Muskelfasern wurden nach Reaktionsresultaten klassifiziert. Die erste Gruppe horizontaler Recti wurde wenige Stunden nach dem Tode jüngerer Menschen entnommen und die zweite Gruppe bei Schieloperationen. Mindestens vier Typen der Muskelfasern, vor allem Typ II wurden identifiziert, ohne signifikanten Unterschied zwischen beiden Muskelgruppen.
Summary
The authors prepared longitudinal and serial cryostat crosssections of the horizontal human extraocular muscles on the basis of skeletal muscle biopsy. The specimens were stained with HE, Gomori 3C. Myofibrillar ATP-ase, NADH, men aGPD and SDH activity was determined and the muscle fibers were typed according to the reaction intensity. The first group of horizontal rectus muscles belonged to the autopsy normal eyes of younger adults, studied a few hours after death, the second group of muscles was gained during squint surgery. At least four types of muscle fibers were identified, mostly type II fibers without specific difference between evaluated muscle groups.
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Kranjc, B.S., Vončina, D. Typisierung der horizontalen äußeren menschlichen Augenmuskeln. Spektrum Augeheilkd 6, 114–118 (1992). https://doi.org/10.1007/BF03162975
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DOI: https://doi.org/10.1007/BF03162975