Morphologic changes in the pineal gland of rats exposed to continuous darkness

  title={Morphologic changes in the pineal gland of rats exposed to continuous darkness},
  author={Svetlana Sergina and Viktor Alexandrovich Ilyukha and L. B. Uzenbaeva and Evgeniy Khizhkin and Ekaterina Antonova},
  journal={Biological Rhythm Research},
  pages={691 - 701}
Abstract We examined the pineal structure of rats exposed to constant darkness (DD) at light microscopic level. Two groups of rats were exposed to 12:12 light/dark cycle (LD) or DD from their prenatal ontogenesis and then for 3 months after birth. The gland structure of DD rats was observed to have an active appearance. Some of the observed pinealocytes with light nuclei from DD rats were determined to contain double nucleoli. Nuclear area and perimeter of both dark and light types were greater… Expand
1 Citations
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