Abstract:
:We observed ontogenetic changes of neuropeptide Y (NPY)-like-immunoreactivity in the terminal nerve (TN) of the chum salmon, a teleost, and the cloudy dogfish, an elasmobranch. In the chum salmon, NPY-like-immunoreactive (NPY-IR) cells first appeared in the olfactory placode of embryos at 16 days after fertilization, and then extended sequentially and centrally in the olfactory system. Colocalization of NPY- and gonadotropin-releasing hormone (GnRH)-like-immunoreactivities was also observed in TN ganglion cells. In the cloudy dogfish, NPY-IR cells first appeared in the rudimental TN ganglion of the embryo at the 40 mm stage. Then, the NPY-IR cells and fibers in the TN system increased in density during late embryonic periods. Colocalization of NPY- and GnRH-like-immunoreactivities in TN ganglion cells was not found in the developing or the adult dogfish.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Chiba A,Oka S,Honma Ydoi
10.1016/0304-3940(96)12828-7subject
Has Abstractpub_date
1996-07-26 00:00:00pages
49-52issue
1eissn
0304-3940issn
1872-7972pii
0304394096128287journal_volume
213pub_type
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