Abstract
Hippocampus of seasonally breeding birds has gained a lot of interest from quite long period of time but the information regarding neuronal plasticity occurring in hippocampus of seasonally breeding birds is very limited. Therefore here we present an interesting study of neuronal plasticity in terms of fluctuations in dendritic thickness and spine density in parahippocampal region (APH), the most prominent field of hippocampus in female Psittacula krameri. Golgi-impregnated sections were used to demonstrate the fluctuations occurring in neuronal morphology during non-breeding and breeding season in APH region of P. krameri. Significant increase in dendritic thickness and spine density noticed during breeding period of female P. krameri has been discussed.
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