Abstract:
:Direct projections from the A1/C1 catecholaminergic cell group in the caudal ventrolateral medulla oblongata to neurons containing vasopressin (VP) in the supraoptic nucleus (SON) were studied electron microscopically by a double-labeling technique which combines anterograde tracing after injection of wheat germ agglutinin-conjugated horseradish peroxidase (WGA-HRP) into the A1/C1 cell group with VP immunocytochemistry. WGA-HRP-labeled axon terminals originating from neurons in the A1/C1 cell group were found to make synaptic contacts with VP-immunoreactive cell bodies and dendrites in the SON, most often forming axo-dendritic synapses. This indicates that VP-containing neurosecretory neurons in the SON receive monosynaptic catecholaminergic input from the A1/C1 cell group.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Shioda S,Shimoda Y,Nakai Ydoi
10.1016/0304-3940(92)90828-ukeywords:
subject
Has Abstractpub_date
1992-12-14 00:00:00pages
155-8issue
1-2eissn
0304-3940issn
1872-7972pii
0304-3940(92)90828-Ujournal_volume
148pub_type
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