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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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Published in: | Nature (London) 1962-01, Vol.193 (4813), p.400-401 |
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Main Author: | |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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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
). |
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ISSN: | 0028-0836 1476-4687 |
DOI: | 10.1038/193400a0 |