Summary
The development and activity of the basophils in the meso-adenohypophysis of Anopthichthys jordani were studied in relation to the maturation of the gonads. In addition, pituitaries and ovaries of post-spawning females were studied during a period 0–11 days subsequent to spawning. The large and mainly PAS-positive basophilic cells in the meso-adenohypophysis were the only cell type that showed a correlation with the development and maturation of the ovaries and testes. These cells were subjected to a partial or complete degranulation in females following oviposition, when yolk formation in the ovary was at a maximum. It is concluded that the large PAS-positive basophils in the mesoadenohypophysis have a gonadotropic function and that only one gonadotropic cell type is present in the adenohypophysis of Anoptichthys jordani.
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This study was partly supported by a grant from the Netherlands Organization for the Advancement of Pure Research (Z.W.O.).
I wish to express my gratitude to Prof. Dr. P. G. W. J. van Oordt for his active interest and constructive suggestions. Mr. R. van den Hurk and Miss Tjitske van Soelen provided valuable assistence in the course of the experiments. Mr. H. van Kooten made the photographs. Special thanks are due also to Mr. M. J. van Oosterum and Mr. J. Rowaan; without their capable and constant help it would have been hardly possible to obtain such satisfactory spawning results.
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Mattheij, J.A.M. The gonadotropic cells in the adenohypophysis of the blind mexican cave fish, Anoptichthys jordani . Z. Zellforsch. 105, 91–106 (1970). https://doi.org/10.1007/BF00340566
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DOI: https://doi.org/10.1007/BF00340566