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DISTRIBUTION OF FLUORESCING ISLETS, ADRENALINE AND NORADRENALINE IN THE ADRENAL MEDULLA OF THE HAMSTER
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1955
Year
The HamsterCellular PhysiologyAdrenal GlandPituitary GlandBright Green FluorescenceNeuroendocrine MechanismSecretory CellsHealth SciencesAnimal PhysiologyAdrenal DiseaseNervous SystemEndocrinologyAdrenal MedullaNeurophysiologyNeuroanatomyAdrenal HealthPhysiologyNeuroendocrine DisorderNeuroscienceCentral Nervous SystemMedicinePineal Gland
The present author has observed that two kinds of secretory cells can be demonstrated in the adrenal medulla of the rat, the cat, the dog, the mouse and the hamster (Eränkö, 1951 a, b, 1952, 1954 b, 1955). After fixation in formalin, some cell groups, called in the following description medullary islets, exhibit a bright green fluorescence in ultraviolet light, the other medullary cells fluorescing but faintly. The relative amounts of islet tissue and noradrenaline in the adrenal medulla vary in a parallel manner in different species. Thus, e. g., much islet tissue and a high proportion of noradrenaline is seen in the adrenal medulla of the cat; in the adrenal medulla of the rat, on the other hand, the islet content is low, and the amount of noradrenaline is much smaller than the adrenaline content (Eränkö, 1952, 1954 b, 1955).