Summary
The posterior hypothalami of the polypteriform, Calamoichthys, and of the teleost, Anguilla, were studied by means of the Golgi technique. In Calamoichthys, the lateral lobes are not developed and the median lobe is simple. In Anguilla, the median (tuberal) lobe shows lophodendritic, CSF-contacting cells and horizontal cells in the periventricular grey and some reticular elements directed toward the cell-poor lateral areas. In the lateral lobes the periventricular grey is formed by multipolar neurons and a diffuse population of multipolar cells of uncertain identity. The nucleus diffusus lobi lateralis is formed by scarce multipolar neurons, often placed next to the external surface of the brain. The organization of the lateral lobes in Actinopterygii is reminiscent of highly developed integrative regions.
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Work performed under CNR Project “Biology of Reproduction”
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Fasolo, A., Mazzi, V. & Franzoni, M.F. A Golgi study of the hypothalamus of Actinopterygii. Cell Tissue Res. 191, 433–447 (1978). https://doi.org/10.1007/BF00219807
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DOI: https://doi.org/10.1007/BF00219807