1950
DOI: 10.1007/bf01485534
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Morphologisch-Experimentelle Untersuchungen �ber das diencephal-hypophys�re System im Verh�ltnis zum Wasserhaushalt

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Cited by 55 publications
(5 citation statements)
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“…Experimentally induced osmoregulatory activity produces a variety of morphological changes in the SON neurons. The volumes of cells, nuclei, and nucleoli increase, the granules stainable with chrome alum hematoxylin phloxine and paraldehyde fuchsin are initially depleted, the Nissl substance is redistributed, and vacuolization of the cells and degenerative changes may occur after prolonged stress (Hillarp, 1949;Ortmann, 1950Ortmann, , 1951Laqueur, 1952;Leveque, 1953;Eichner, 1953;KovAcs et al, 1954;Bachrach, 1957;De Groot, 1957;Stutinsky, 1957;Eichner, 1958, 1960;Campanacci, 1960;Raiha, 1960;Sloper and King, 1963). An antagonism between the renal effects of adrenocortical and neurohypophyseal hormones has been suggested (Silvette and Britton, 1938; for references see Kennedy, 1960).…”
Section: Introductionmentioning
confidence: 99%
“…Experimentally induced osmoregulatory activity produces a variety of morphological changes in the SON neurons. The volumes of cells, nuclei, and nucleoli increase, the granules stainable with chrome alum hematoxylin phloxine and paraldehyde fuchsin are initially depleted, the Nissl substance is redistributed, and vacuolization of the cells and degenerative changes may occur after prolonged stress (Hillarp, 1949;Ortmann, 1950Ortmann, , 1951Laqueur, 1952;Leveque, 1953;Eichner, 1953;KovAcs et al, 1954;Bachrach, 1957;De Groot, 1957;Stutinsky, 1957;Eichner, 1958, 1960;Campanacci, 1960;Raiha, 1960;Sloper and King, 1963). An antagonism between the renal effects of adrenocortical and neurohypophyseal hormones has been suggested (Silvette and Britton, 1938; for references see Kennedy, 1960).…”
Section: Introductionmentioning
confidence: 99%
“…Experiments which have indicated a direct relationship between the amount of neurosecretory material and biologically active hormones have been conducted under basal conditions or have been of a long-term nature on dehydrated or lactating animals (Scharrer & Scharrer, 1954;Hild & Zetler, 1951Ortmann, 1950Ortmann, , 1951. Our present experiments have been designed to study changes that occur acutely, and demonstrate a decrease in the stainable material but no decrease in the vaso¬ pressin content of the rat posterior pituitary.…”
Section: Discussionmentioning
confidence: 85%
“…Under unstimulated conditions a parallel relationship exists between the amount of neurosecretory material and neurohypophysial hormones in different parts of the hypothalamo-hypophysial system (Scharrer & Scharrer, 1954;Hild & Zetler, 1951, and under conditions of chronic stimulation, e.g. water deprivation, the administration of hypertonic saline, or the polyuria of alloxan diabetes, there is a decreased amount of neurohypophysial neurosecretory material (Leveque & Scharrer, 1953;Gaunt, Lloyd & Chart, 1957), which is proportional to the decrease in vasopressin (Ortmann, 1950(Ortmann, , 1951 and oxytocin (Sawyer & Roth, 1953). Similarly, lactation decreases both the content of neurosecretory material in the neurohypophysis (Racadot, 1957;Rennels, 1958;Rinne, 1960), and that of vaso¬ pressin and oxytocin (Rennels, 1958;Heller, 1959).…”
Section: Introductionmentioning
confidence: 95%
“…On the other hand, Legait (1955 a, b, c, 1959) found increased activity in the para ventricular and supraoptic nuclei in Rhode Island chickens during the breeding season using the size of the cell nucleus as a criterion for neurosecretory activity ; the amount of neurosecretory material and the morphological appearance of the neurosecretory granules were also taken into consideration. Ortmann (1950) and Ueno (1957) failed to find seasonal variations in the supraoptic and paraventricular nuclei of the albino rat.…”
Section: Introductionmentioning
confidence: 91%