moreover , the presence of 5ht- and ox-immunoreactive processes in contiguity with medullary ca cells that send fibers to the diencephalon indicates that the raphe nuclei and the paraventricular nucleus of the hypothalamus can directly influence ascending pathways that are known to innervate the hypothalamus and appear to effect changes in vasopressin release .
C0012144
diencephalon
C0020663
hypothalamus