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  • Title: Cytophysiological responses of the pineal gland to intermale aggression in a wild rat.
    Author: Chakraborty S, Ghosh PR, Maiti BR.
    Journal: Endokrinologie; 1982 Nov; 80(3):353-6. PubMed ID: 6891922.
    Abstract:
    Intermale aggression by pairing bandicoot rats (Bandicota bengalensis) in their home cage, continuously for three hours, stimulated the pineal gland activity, cytologically measured by decreasing cell population density and increasing nuclear size of the pinealocytes, in the socially subordinate animals. The pineal gland of the dominant animal was not perceptibly affected by aggression. It is suggested that during aggression, the subordinate rats perhaps suffered from psychosocial stress that might have caused hyperactivity of their pineal gland.
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