The influence of the antimitotic drug CCNU on the neurosecretion of rat hypothalamo-hypophyseal system.
The purpose of this investigation was to evaluate the influence of the antimitotic drug CCNU on the morphology of the hypothalamo-hypophyseal neurosecretory system of rat. Adult Wistar rats were treated intragastrically with 2.5 mg CCNU once a week during 3 consecutive weeks and 5 mg at the end of the 4th week. The brains and hypophyses were fixed in Zenker-formol solution. Paraffin slices were stained with chromhematoxylin to demonstrate neurosecretory material and with cresyl violet. PAS reaction was also performed. The experiment resulted in disturbances of the neurosecretory function of the hypothalamo-hypophyseal system in form of alteration in the content of neurosecretion in the neuronal cytoplasm and processes within supraoptic and paraventricular nuclei as well as in the neurohypophysis. The morphometric measurements showed enlargement of the cell nuclei and cytoplasm volumes in the nucleus supraopticus of hypothalamus.[1]References
- The influence of the antimitotic drug CCNU on the neurosecretion of rat hypothalamo-hypophyseal system. Pietrzak, M., Kozik, M.B. Folia Histochem. Cytobiol. (1985) [Pubmed]
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