Summary
The results of an immunohistochemical investigation of the hypothalamo-neurohypophysial system in several species of birds have shown that: (1) mesotocin and vasotocin are synthesized in separate neurons; (2) in all species investigated the distribution of mesotocinergic and vasotocinergic perikarya follows a common pattern; (3) the external zone of the avian anterior median eminence contains exclusively vasotocinergic nerve fibers, originating in supraoptic and ventral paraventricular regions; (4) the distribution of immunoreactive elements in the neural lobe shows a definite species-dependent pattern.
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Goossens, N., Blähser, S., Oksche, A. et al. Immunocytochemical investigation of the hypothalamo-neurohypophysial system in birds. Cell Tissue Res. 184, 1–13 (1977). https://doi.org/10.1007/BF00220523
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DOI: https://doi.org/10.1007/BF00220523