tissue weights and immunoreactive ( ir ) content and concentration of beta-endorphin , enkephalin , and vasopressin were assayed for senescent change in anterior pituitary , neurointermediate pituitary , hypothalamus , hippocampus , striatum , dorsolateral cortex , and pons-medulla , as well as residual brain samples remaining after the other dissections .
C0086045
concentration
C0006104
brain