Egg-laying-hormone immunoreactivity in the neural ganglia and ovary of Haliotis asinina Linnaeus

Saitongdee, P., Apisawetakan, S., Anunruang, N., Poomthong, T., Hanna, Peter and Sobhon, P. 2005, Egg-laying-hormone immunoreactivity in the neural ganglia and ovary of Haliotis asinina Linnaeus, Invertebrate neuroscience, vol. 5, no. 3-4, pp. 165-172, doi: 10.1007/s10158-005-0032-5.

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Title Egg-laying-hormone immunoreactivity in the neural ganglia and ovary of Haliotis asinina Linnaeus
Author(s) Saitongdee, P.
Apisawetakan, S.
Anunruang, N.
Poomthong, T.
Hanna, Peter
Sobhon, P.
Journal name Invertebrate neuroscience
Volume number 5
Issue number 3-4
Start page 165
End page 172
Publisher Springer-Verlag
Place of publication Berlin, Germany
Publication date 2005-11
ISSN 1354-2516
Keyword(s) egg-laying hormone
neural ganglia
Summary Immunoreactivity against the abalone egg-laying hormone (aELH) was detected in the fine granules of type 1 and 2 neurosecretory (NS) cells, neurites in the neuropil, and blood sinuses in the connective tissue sheath of the cerebral, pleuropedal, and visceral ganglia of the tropical abalone, Haliotis asinina Linnaeus. The number of positive NS cells, and the intensity of staining in the ganglia, varied and might be related to the stage of ovarian cycle. At any stage, positive cells were most numerous in the pleuropedal, and least numerous in the visceral ganglion. In addition, several cells of the statocyst and associated nerves also exhibited the immunoreactivity. In the ovary, the most intense reactivity was detected in the follicular and granular cells adjacent to mature oocytes, in the trabeculae and the ovarian capsule. The cytoplasm of mature oocytes was also moderately stained. The results indicate that the cerebral, pleuropedal, and visceral ganglia are the main sites of aELH-producing cells. The ovary may also produce aELH locally.
Notes Published online: 1 April 2005
Language eng
DOI 10.1007/s10158-005-0032-5
Field of Research 060407 Genome Structure and Regulation
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Springer-Verlag
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Document type: Journal Article
Collection: School of Life and Environmental Sciences
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