Literature DB >> 6133687

Long scotophase acclimation increases free urinary catecholamine content in the rat.

A Haim, R Ashkenazi, A Kalir.   

Abstract

1. Acclimation of laboratory rats Rattus norvegicus albino to long scotophase 8L:16D and 4L:20D at an ambient temperature (Ta) of 25 degrees C caused an increase in urinary free catecholamine compared to 12L:12D at Ta = 25 degrees C. 2. Transferring the same individuals from 8L:16D to 12L:12D (at Ta = 25 degrees C) caused a decrease in this factor. 3. The results of this study suggest that acclimation to long scotophase increases sympathetic nervous system and chromaffine cell activities.

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Year:  1983        PMID： 6133687     DOI： 10.1016/0742-8413(83)90108-1

Source DB:  PubMed          Journal:  Comp Biochem Physiol C        ISSN： 0742-8413


  2 in total

1.  Metabolic rates, food consumption and thermoregulation in seasonal acclimatization of the Cape porcupine Hystrix africaeaustralis.

Authors:  A Haim; R J Van Aarde; J D Skinner
Journal:  Oecologia       Date:  1990-06       Impact factor: 3.225

2.  Photoperiod and temperature effects on adrenal tyrosine hydroxylase and its relation to nonshivering thermogenesis.

Authors:  A Buchberger; G Heldmaier; S Steinlechner; B Latteier
Journal:  Pflugers Arch       Date:  1983-09       Impact factor: 3.657
  2 in total

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