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  • Title: Ultrastructural studies on prolactin and growth hormone cells in Anguilla pituitaries in vitro.
    Author: Benjamin M, Baker BI.
    Journal: Cell Tissue Res; 1976 Nov 18; 174(4):547-64. PubMed ID: 1000591.
    Abstract:
    Eel hemi-pituitaries were cultured in vitro on high or low sodium media which are known to affect differentially prolactin and growth hormone release. Ultrastructural examination of the prolactin cells after 24 h culture showed the Golgi bodies were markedly more abundant and widely distributed in hemi-pituitaries from the low sodium medium. Secretory granule release profiles and dense bodies were also more frequent, but the percentage of the cytoplasmic volume occupied by secretory granules was lower than on the high sodium medium. RER was only slightly modified. Significant differences were noted in the shape and processes of the non-granulated (stellate) cells of the RPD, but there were only slight differences in the the ultrastructure of the somatotropes.
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