parallel ultrastructural investigation of synaptophysin-reactive cells and tumours revealed the presence , in addition to dense-cored , secretory granules , of a population of pleomorphic , small , clear vesicles resembling synaptic vesicles of nerve terminals as well as the synaptophysin immunoreactive vesicles already described in rat adrenal medullary and pituitary cells .
C0886515
secretory granules
C0085255
synaptophysin