in order to determine whether this previously observed dendritic regression may have been related to extrinsic ( to the cell ) hormonal , neurotoxic , or other circulating factors unique to the hypothalamus of older brains , we conducted a quantitative golgi study of f344 embryonic anterior hypothalamic transplants into the third ventricle of young adult ( 5 months ) and older ( 25 months ) male f344 rats .
C0007634
cell
C0018042
golgi