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The hypothalamo neuro hypophyseal system in indian fresh water goby glossogobius giuris


, : The hypothalamo neuro hypophyseal system in indian fresh water goby glossogobius giuris. Zeitschrift fuer Mikroskopisch-Anatomische Forschung (Leipzig) 93(6): 1137-1158

The hypothalamo-neurohypophysial neurosecretory system in Indian fresh-water goby, G. giuris is described. The tractus preoptico-hypophyseus serves the function of a morphological and physiological connection between the hypothalamus and pituitary gland. In addition to main mass of the nucleus preopticus cells (cystine/cysteine bearing), a group of few cells in the hypothalamus was observed. These cells are situated posterior to the position of the nucleus preopticus and are chrome alum hematoxylin phloxine positive aldehyde fuchin positive. The neurosecretory material in the cells of nucleus preopticus is in the form of fine granules. The nucleus lateralis tuberis is absent in this fish. The disposition of neurosecretory material is heaviest along the fibers of the neurohypophysis in the region of pars intermedia with which it forms a profuse interdigitation. The fibers usually terminate over the blood vessels. The Herring bodies are noticeable at different levels in the neurohypophysis and pars-distalis. Besides the neurosecretory fibers, Herring bodies, non-stainableneurosecretory fibers and blood vessels, pituicytes are also present in the neurohypophysis. The intraaxonal flow of neurosecretory material, the vascularization of the nucleus preopticus and hypothalamo-hypophysial regulatory mechanism are discussed.


Accession: 006689119

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Related references

Saksena, D.N., 1976: The hypothalamo neuro hypophyseal system and its physiological relation to the reproductive cycle of indian fresh water goby glossogobius giuris. The neurosecretory granules (NSM) in the nucleus preopticus cells (NPO) are sparsely distributed in the early post-spawning period. During the late post-spawning and early pre-spawning periods more NSM accumulated, but during the late pre-spawning...

Saksena, D.N., 1979: The hypothalamo-neurohypophysial system in Indian fresh-water goby, Glossogobius giuris (Ham.). The hypothalamo-neurohypophysial neurosecretory system in Indian fresh-water goby, Glossogobius giuris (Ham.) has been described. The tractus preoptico-hypophyseus serves the function of a morphological and physiological connection between the hyp...

Anonymous, 1975: Hypothalamo-neurohypophysial system and the reproductive cycle of Indian fresh-water goby, Glossogobius giuris (Ham.)

Saksena, DN.; Bhargava, HN., 1975: The hypothalamo-hypophysial vascular relationship in Indian fresh water goby, Glossogobius giuris (Ham). Gegenbaurs Morphologisches Jahrbuch, 1211: 55-76

Saksena, D.N.; Bhargava, H.N., 1975: The hypothalamo-hypophysial vascular relationship in Indian fresh-water goby, Glossogobius giuris (Ham.).920u. The hypothalamo-hypophysial vascular relationship and intra-hypophysial vasculatisation have been described in order to understand the regulatory mechanism of hypothalamic control over the functions of the pituitary gland. In Glossogobius giuris,...

Saksena D.N., 1971: Sexual dimorphism in indian fresh water goby glossogobius giuris. Current Science (Bangalore) 40(3): 65-66

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Saksena, DN., 1976: On the accessory gland associated with the reproductive organs of Indian fresh-water goby, Glossogobius giuris (Ham.). Zoologische Jb (Anat): 951: 105-108