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Article
Age-dependence of the lateral diffusion coefficient of Concanavalin-A receptors in the plasma membrane of ex vivo prepared brain cortical nerve cells of BN/BiRijHsd rats
A new method has been developed for ex vivo preparation of brain cortical cells of BN/BiRijHsd rats to make them suitable for the measurement of the lateral diffusion coefficient of the membrane components by ...
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Article
Energy-dispersive, bulk specimen X-ray microanalytical measurement of the intracellular Na+/K+ ratio in human laryngeal tumors
Energy-dispersive X-ray microanalysis was performed on human biopsy materials taken during laryngoscopic intervention in 18 cases. The removed tissue pieces were divided into two parts. One of them was used fo...
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Article
Microfluorimetric and X-ray microanalytic studies on the DNA content and Na+:K+ ratios of the cell nucleic in various types of thyroid tumors
Parallel studies were performed using microfluorimetric DNA determination and X-ray microanalysis on the same thyroid biopsy material to compare the intranuclear DNA and monovalent electrolyte contents (Na+, K+, ...
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Article
Thymic control of the polyploidization of hepatocytes during aging
Relative DNA-contents of hepatocyte nuclei have been determined in young, old, and thymus-grafted old mice. There is an age-dependent increase in the occurrence of tetraploid nuclei, which is in agreement with...
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Article
Cytofluorimetric measurements on the DNA contents of tumors cells in human thyroid gland
The relative DNA contents of thyroid cell nuclei were measured in surgically removed thyroid tissue of 50 patients by means of cytofluorimetry. Smears were prepared immediately after removal of the thyroid nod...
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Article
Age-dependent increase of thermal stability of in situ chromatin of rat liver and its reversal after hepatectomy
An age-dependent increase of thermal stability of DNA in situ has been demonstrated in rat liver by means of microfluorimetry, which was reversed to a great extent in old regenerated liver.
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Article
Axo-somatic synapses in procerebrum of Gastropoda
Es wurde gezeigt, dass im Procerebrum der Gastropoden axosomatische Synapsen von 2 Typen vorkommen. Diese Befunde sind ungewöhnlich, da axosomatische Synapsen in anderen Teilen des Zentralnervensystems nicht e...
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Chapter
Histochemical and Electron-Microscopic Studies on the Relation between Dopamine and Dense-Core Vesicles in the Neurons of Anodonta Cygnea L.
On the basis of data from the literature and our own investigations I should like to sum up some properties of the neurons of Anodonta cygnea:
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Article
Light, fluorescence and electron microscopic studies on “neurosecretion” in tritonia diomedia bergh (Mollusca, Nudibranchia)
Membrane-limited electron-dense inclusions designated as elementary neurosecretory granules have a characteristic distribution in cerebropleural ganglia of the nudibranch snail Tritonia diomedia. They occur in th...
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Article
Histochemical Investigations of Cholinesterase in Different Molluscs with Reference to Functional Conditions
THE function of acetylcholine (ACh) is accepted in general as being in close relationship with the presence of acetylcholinesterase (AChE). The presence of AChE in an excitable tissue is likewise interpreted a...
