Lipofuscin in the cerebellar cortex of albino rats: an electron microscopic study
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- The ultrastructure of autofluorescent, PAS-positive lipofuscin in Purkinje, granule, Golgi epithelial, basket and stellate, microglial and perivascular cells in the cerebellar cortex of senescent rats is described. The membrane- bounded pigment is composed ofthree elements: 1) electron-lucent homogeneaus droplets, 2) a granular matrix and 3) intensely osmiophilic patches. The proportians ofthese three components vary between cell types and one can grossly differentiate a neuronal and a gliallipofuscin. The lipofuscin granules of stellate andThe ultrastructure of autofluorescent, PAS-positive lipofuscin in Purkinje, granule, Golgi epithelial, basket and stellate, microglial and perivascular cells in the cerebellar cortex of senescent rats is described. The membrane- bounded pigment is composed ofthree elements: 1) electron-lucent homogeneaus droplets, 2) a granular matrix and 3) intensely osmiophilic patches. The proportians ofthese three components vary between cell types and one can grossly differentiate a neuronal and a gliallipofuscin. The lipofuscin granules of stellate and perivscular cells are different from lipofuscin of other cerebellar neurons and glia. lt can be concluded from these morphological observations that each cerebellar cell type has its distinct lipofuscin.…
Autor(en): | Helmut Heinsen |
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URN: | urn:nbn:de:bvb:20-opus-59891 |
Dokumentart: | Artikel / Aufsatz in einer Zeitschrift |
Institute der Universität: | Medizinische Fakultät / Klinik und Poliklinik für Psychiatrie, Psychosomatik und Psychotherapie |
Sprache der Veröffentlichung: | Englisch |
Erscheinungsjahr: | 1979 |
Originalveröffentlichung / Quelle: | In: Anatomy and embryology (1979) , 155, S. 333 - 345. |
Allgemeine fachliche Zuordnung (DDC-Klassifikation): | 6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit |
Normierte Schlagworte (GND): | Medizin |
Freie Schlagwort(e): | Cerebellar cortex; Lipofuscin; Senescent rat; Ultrastructure |
Datum der Freischaltung: | 16.08.2011 |
Lizenz (Deutsch): | Deutsches Urheberrecht |