Publication: Development of the nerve ganglia of abalone, Haliotis asinina linnaeus
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Issued Date
2002-01-01
Resource Type
ISSN
07308000
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2-s2.0-0036071348
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Shellfish Research. Vol.21, No.1 (2002), 173-183
Suggested Citation
M. Kruatrachue, P. Laimek, C. Wanichanon, V. Linthong, P. Sretarugsa, E. S. Upatham, P. Sobhon Development of the nerve ganglia of abalone, Haliotis asinina linnaeus. Journal of Shellfish Research. Vol.21, No.1 (2002), 173-183. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/19999
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Title
Development of the nerve ganglia of abalone, Haliotis asinina linnaeus
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Abstract
The development of cells in the ganglia during various ages of the abalone, Haliotis asinina, was studied. There were three types of neurosecretory cells (NS1-3), four types of neurons (NR1-4) and three types of neuroglia (NG1-3). In the cerebral ganglia, NS1 and NR1 (giant neurons) first appeared in 1-month-old abalone while NS2 and NS3 first appeared in 3-month-old and 4-month-old abalone, respectively. These cells increased in number in 5- and 10-month-old abalone, reaching a maximum number at 12 months, and thereafter remained constant. In the pleuropedal ganglia, NS1 and NR1 first appeared in 1-month-old abalone, while NS2 and NS3 first appeared in 2-month-old and 4-month-old abalone, respectively. They increased in number in 4- and 7-month-old abalone, reaching a maximum at 11 months, and thereafter remained constant. In the visceral ganglia, NS1 and NR1 first appeared in 2-month-old abalone while NS2 and NS3 appeared later in 3-month-old and 5-month-old abalone, respectively. They increased in number at 4 months, reaching a maximum number at 11 months, and thereafter remained constant. NR2, NR3, NR4 and NG were present in all ganglia early in development from one month onwards, and their numbers increased rapidly with age.