Summary
Light- and electron-microscopic autoradiographic studies of pituitaries of the molly Poecilia latipinna, after their incubation with tritiated serotonin, revealed the presence of labelled cells in the proximal pars distalis, together with cell processes or nerve fibres throughout all regions of the gland except the prolactin cell zone. The serotonincon-centrating cells and most of the fibres contained small dense-cored vesicles, but some labelled fibres contained larger granules similar in ultrastructure to those of vasotocinergic fibres.
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This work was supported by a SERC studentship to DJG and SERC grant GR/6379-06 to Professor J.N. Ball
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Groves, D.J., Batten, T.F.C. Ultrastructural autoradiographic localization of serotonin in the pituitary of a teleost fish, Poecilia latipinna . Cell Tissue Res. 240, 489–492 (1985). https://doi.org/10.1007/BF00222365
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DOI: https://doi.org/10.1007/BF00222365