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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Ultrasructure Research 51 (1975), S. 307-313 
    ISSN: 0022-5320
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Ultrasructure Research 82 (1983), S. 64-75 
    ISSN: 0022-5320
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 3
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    Unknown
    Provincetown, Mass., etc. : Periodicals Archive Online (PAO)
    Journal of Psychology. 40 (1955) 85 
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Graefe's archive for clinical and experimental ophthalmology 221 (1984), S. 153-156 
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An abnormal superior rectus muscle of rat displayed marked differences in the respective distributions of mitochondrial alterations and excessive lipid accumulations, both of which are thought to be indicators of faulty oxidative metabolism. The mitochondrial alterations were widespread, extending over 46% of muscle length. In contrast, the excess lipids extended over but 11% of the muscle length and were virtually confined to the end-plate region. The end plates themselves were essentially normal. These data raise the possibility that the end-plate region may exhibit a locally greater deficit of oxidative metabolism, due to a possibly higher metabolic requirement needed to support the localized end-plate potential activity.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Graefe's archive for clinical and experimental ophthalmology 221 (1984), S. 157-162 
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Characteristic modes of secondary reorganization were observed in membrane-glycogen complexes of rabbit extraocular muscle. These included (a) an irregular widening or narrowing of the intracisternal space, (b) a loss of the typical intracisternal flocculent densities, and (c) the acquisition of intercisternal flocculent densities. In irregularly widened cisternae, the membranes tended to remain closely adjacent to the intervening glycogen layer, thereby forming triads composed of a glycogen layer enclosed within the apposing membranes of adjacent cisternae. In the absence of glycogen particles from contiguous portions of several lamellae, the membranes became compacted to form myeloidlike figures. Degenerating complexes sometimes displayed distention of intercisternal spaces and layers of atypically small particles. The above modifications of membrane-glycogen complexes would be compatible with the notion that these structures are involved in the process of glycogen metabolism, as opposed to the previously suggested notion that these structures are transient vehicles for the accumulation of glycogen masses.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 26 (1969), S. 192-201 
    ISSN: 1573-2622
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Sur le muscle droit supérieur du lapin anesthésié on a enregistré simultanément des potentiels EMG et des potentiels intracellulaires lents prenant naissance dans des foyers cellulaires multiples. Quelques enregistrements ont montré l'apparition synchrone de potentiels EMG et de potentiels intracellulaires lents ‘multi-foyers’; dans tous ces cas les potentiels EMG étaient essentiellement monophasiques et d'une durée supérieure à 4 msec, présentant ainsi des caractéristiques différentes de celles d'un potentiel de pointe propagé. Il a pu être vérifié que les fibres musculaires qui donnent naissance aux potentiels intracellulaires lents multifoyers, sont des fibres à innervation multiple. L'étude des potentiels lents chez l'homme pourrait être intéressante.
    Abstract: Zusammenfassung Im Rectus superior des Kaninchens wurden in Narkose gleichzeitig EMG Potentiale und spontane langsame, intracelluläre multifokale Potentiale registriert. Die EMG Potentiale, die mit den intracellulären Potentialen synchron auftreten, sind hauptsächlich monophasisch, sie dauern wenigstens 4 msec und unterscheiden sich deutlich von den ‘Spike’-Potentialen. Es hat sich bestätigt, daß die Fasern, welche solche spontanen, intracellulären, multifokalen langsamen Potentiale hervorrufen, tatsächlich eine mehrfache Innervation besitzen. Es wäre interessant, auch beim Menschen diese langsamen Potentiale zu untersuchen.
    Notes: Summary EMG potentials were recorded simultaneously with spontaneous intracellular multifocus slow potentials in the rabbit superior rectus under general anesthesia. Those EMG potentials which were synchronous with such intracellular potentials, are essentially monophasic and at least 4 msec in duration, clearly different from spike potentials. It was verified, that the fibers which produce such spontaneous intracellular multifocus slow potentials are indeed multiply innervated. The study of such slow potential activity in human extraocular muscles may be profitable.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 238 (1984), S. 417-419 
    ISSN: 1432-0878
    Keywords: Mitochondrial junctions ; Septate junctions ; Extraocular muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Intermitochondrial junctions with a spacing of 17–21 nm were observed in the superior rectus muscle of a rat. Periodic rounded densities are aligned midway between the apposed outer mitochondrial membranes at some of these junctions. Such densities have a diameter of about 8–10 nm and a center-to-center spacing of about 26–30 nm. These junctions occur in cases where one mitochondrial profile is enclosed within another or where two profiles are interlocked so that their combined overall form has a smoothly contoured profile. Intermitochondrial junctions seem not to have been previously described in muscle, but have been reported in other kinds of tissues. In agreement with those previous reports, the presently observed intermitochondrial junctions usually involve mitochondria that display atypical features indicative of tissue abnormality or stress. Such junctions were never observed in normal extraocular muscle.
    Type of Medium: Electronic Resource
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