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Distribution of Nerve Cells with Secretory-like Granules in Petromyzontes

ACCORDING to Mazzi 1 , Bargmann 2 , and Scharrer 3 the diencephalic-neurohypophysis system of Petromyzontes , in principle, corresponds to that of the gnatho-stomous vertebrates. The Gomori-positive neuro-secretory material which originates in one part of the cells of the nucleus preopticus continue...

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Bibliographic Details
Published in:Nature (London) 1962-01, Vol.193 (4813), p.400-401
Main Author: STERBA, G
Format: Article
Language:English
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Summary:ACCORDING to Mazzi 1 , Bargmann 2 , and Scharrer 3 the diencephalic-neurohypophysis system of Petromyzontes , in principle, corresponds to that of the gnatho-stomous vertebrates. The Gomori-positive neuro-secretory material which originates in one part of the cells of the nucleus preopticus continues alongside the fibres of the tractus preopticus-hypophyseus into the infundibulum. The enlarged caudal part of the infundibulum—which is found over the meta-adeno-hypophysis—is named ‘neurohypophysis’ 2 . Kramer and Schreuers 4 observed that the neurosecretory material which is stored up during the larval stage disappears during and after metamorphosis ( Lampetra planeri ).
ISSN:0028-0836
1476-4687
DOI:10.1038/193400a0