The hypothalamo-hypophysial system of the lamprey, Lampetra fluviatilis L. - III. High-resolution radioautography of monoaminergic structures in neurohemal regions
Cell and Tissue Research, ISSN: 1432-0878, Vol: 204, Issue: 2, Page: 333-342
1979
- 5Citations
- 7Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef3
- Captures7
- Readers7
Article Description
The distribution of monoaminergic structures was studied in the proximal neurosecretory contact region and neurohypophysis of the lamprey by light and electron microscopic radioautography. Only weak radioautographic reactions were found in the proximal neurosecretory contact region 1 h after injection of H-dopamine. High-resolution radioautography revealed some labeled neurosecretory terminals mainly in contact with the basement membrane of the connective tissue layer separating the proximal neurosecretory contact region from the hypophysial pars distalis. The number of silver grains as well as the number of neurosecretory terminals marked by the presence of labeled dopamine was much higher in the neurohypophysis of the same species. In the latter, labeled neurosecretory terminals were found in contact with the connective tissue layer containing blood vessels of the general circulation. Some neurosecretory terminals make synaptoid contacts with tanycyte perikarya and their basal processes. According to their ultrastructure and the size of their granules, the labeled neurosecretory terminals are identical with the B type terminals described in both neurohemal regions (transmission electron microscopy). No labeled neurosecretory terminals were observed in the proximal neurosecretory contact region and the neurohypophysis of lampreys treated with the serotonin precursor, H-5-hydroxytryptophan. © 1979 Springer-Verlag.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0018577399&origin=inward; http://dx.doi.org/10.1007/bf00234644; http://www.ncbi.nlm.nih.gov/pubmed/317013; http://link.springer.com/10.1007/BF00234644; http://www.springerlink.com/index/pdf/10.1007/BF00234644; http://www.springerlink.com/index/10.1007/BF00234644; https://dx.doi.org/10.1007/bf00234644; https://link.springer.com/article/10.1007/BF00234644
Springer Nature
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