Hypothalamo-neurosecretory system of the marine teleost, Decapterus russelli (Ruppell 1830)

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Authors

  • A.K. Pandey
     ,IN

DOI:

https://doi.org/10.18311/jeoh/2010/18263

Keywords:

Hypothalamus, Nucleus preopticus. Nucleus lateralis tuberis. Herring bodies, Decapterus russelli

Abstract

/-/ypofha/amo-neurosecrefory sysfem of Decapterus russelli (Family Carangidae) mainly comprised nucleus preopticus (NPO), nucleus lateralis tuberis (NLT) and their axonal tracts. NPO was a paired structure located on either side of the third ventricle slightly above and anterior to the optic chiasma. It was highly vascularized with broad anterior and narrow posterior ends. NPO was divisible into a dorsal pars magnocellularis (PMC) comprising larger neurosecretory cells and ventral pars parvocellularis (PPC) with smaller neuronal cells. Acid fuchsin-positive colloid-like neurosecretory droplets of various sizes were encountered in the NPO and NLT of the scad. Neurons of PMC and PPC contributed beaded axons to form the neurohypophysial tract. A few small herring bodies (HB) were also seen in the anterior neurohypophysis (ANH).

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Author Biography

A.K. Pandey

National Bureau of Fish Genetic Resources
Canal Ring Road, Lucknow-226002, India

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Published

2017-11-30

How to Cite

Pandey, A. (2017). Hypothalamo-neurosecretory system of the marine teleost, Decapterus russelli (Ruppell 1830). Journal of Ecophysiology and Occupational Health, 10(1-2), 71–76. https://doi.org/10.18311/jeoh/2010/18263

Issue

Volume 10, Issue 1-2, June 2010

Section

Articles
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Scopus
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Europe PMC
Received 2017-11-28
Accepted 2017-11-28
Published 2017-11-30

 

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