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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.1 P.64~69

http://doi.org/10.1631/jzus.2006.B0064


Structural changes of oviduct of freshwater shrimp, Macrobrachium nipponense (Decapoda, Palaemonidae), during spawning


Author(s):  Lu Jian-ping, Zhang Xiao-hui, Yu Xiao-yun

Affiliation(s):  School of Life Sciences, Zhejiang University, Hangzhou 310029, China

Corresponding email(s):   jplu@zju.edu.cn

Key Words:  Macrobrachium nipponense, Crustacean, Oviduct, Cell, Structure


Lu Jian-ping, Zhang Xiao-hui, Yu Xiao-yun. Structural changes of oviduct of freshwater shrimp, Macrobrachium nipponense (Decapoda, Palaemonidae), during spawning[J]. Journal of Zhejiang University Science B, 2006, 7(1): 64~69.

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author="Lu Jian-ping, Zhang Xiao-hui, Yu Xiao-yun",
journal="Journal of Zhejiang University Science B",
volume="7",
number="1",
pages="64~69",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.B0064"
}

%0 Journal Article
%T Structural changes of oviduct of freshwater shrimp, Macrobrachium nipponense (Decapoda, Palaemonidae), during spawning
%A Lu Jian-ping
%A Zhang Xiao-hui
%A Yu Xiao-yun
%J Journal of Zhejiang University SCIENCE B
%V 7
%N 1
%P 64~69
%@ 1673-1581
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.B0064

TY - JOUR
T1 - Structural changes of oviduct of freshwater shrimp, Macrobrachium nipponense (Decapoda, Palaemonidae), during spawning
A1 - Lu Jian-ping
A1 - Zhang Xiao-hui
A1 - Yu Xiao-yun
J0 - Journal of Zhejiang University Science B
VL - 7
IS - 1
SP - 64
EP - 69
%@ 1673-1581
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.B0064


Abstract: 
The structural change of the oviduct of freshwater shrimp (Macrobrachium nipponense) during spawning was examined by electron microscopy. The oviduct wall structural characteristics seem to be influenced significantly by the spawning process. Before the parturition and ovulation, two types of epithelial cells (types I and II) are found in the epithelium. The free surfaces of type I and type II cells have very dense long microvilli. Under the type I and type II cells, are a relatively thick layer of secreting material and a layer of mostly dead cells. After ovulation, two other types of epithelial cells (types III and IV) are found in the oviduct wall epithelium. The free surface of type III cells only has short microvilli scattered on the surface. The thick layer with secreting material and the dead cell layer disappeared at this stage. In some type III cells, the leaking out of cytoplasm from broken cell membrane led to the death of these type III cells. The transformation of all four types of epithelial cells was in the order: IV→I→II→III.

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Reference

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