as sources of the immunoreactive material the following possibilities are discussed : ( i ) perikarya producing somatostatin or lrf , situated in the wall of the third ventricle and sending fibers between the cuboidal ependymal cells , ( ii ) hypothalamic and extrahypothalamic projections of both peptidergic systems , and ( iii ) in the case of somatostatin , immunoreactive perikarya in the cortex .
C0020663
hypothalamic
C0037659
somatostatin