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      Pineal Gland Behaviour as Affected by Cold

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          The pineal gland of rats exposed to the effect of low temperatures shows structural changes of a progressive nature: hypertrophy and hyperplasia of pineocytes, hypertrophy of nuclei and nucleoli;deprivation of followed by saturation by, pineocytes in sudanophilic granulations; intensified activities of nonspecific esterases, acid phossphatases and alkaline phosphatases; polymorphism and hypertrophy of mitochondria, hypertrophy of the Golgi zone, abundance of free ribosomes. On the basis of the results obtained indicating stimulated activity of the pineal gland, this organ is to be considered as integrated in the regulation system of adaptation to cold.

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          Author and article information

          Horm Res Paediatr
          Hormone Research in Paediatrics
          S. Karger AG
          21 November 2008
          : 1
          : 6
          : 321-331
          Institute of Histology and Embryology, Faculty of Medicine, University of Novi Sad, Novi Sad
          178192 Hormones 1970;1:321–331
          © 1970 S. Karger AG, Basel

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          Pages: 11


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