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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.10 P.1211-1217


Ultrastructure of spermatozoa of Bullacta exarata (philippi) and its significance on reproductive evolution and physio-ecological adaptation

Author(s):  YING Xue-ping, YANG Wan-xi, JIANG Nai-cheng, ZHANG Yong-pu

Affiliation(s):  School of Life and Environmental Science, Wenzhou Normal College, Wenzhou 325027, China; more

Corresponding email(s):   xpying2000@163.net

Key Words:  Bullacta exarata, Spermatozoon, Ultrastructure, Evolution, Physio-ecological adaptation

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YING Xue-ping, YANG Wan-xi, JIANG Nai-cheng, ZHANG Yong-pu. Ultrastructure of spermatozoa of Bullacta exarata (philippi) and its significance on reproductive evolution and physio-ecological adaptation[J]. Journal of Zhejiang University Science A, 2004, 5(10): 1211-1217.

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journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Ultrastructure of spermatozoa of Bullacta exarata (philippi) and its significance on reproductive evolution and physio-ecological adaptation
%A YING Xue-ping
%A YANG Wan-xi
%A JIANG Nai-cheng
%A ZHANG Yong-pu
%J Journal of Zhejiang University SCIENCE A
%V 5
%N 10
%P 1211-1217
%@ 1869-1951
%D 2004
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2004.1211

T1 - Ultrastructure of spermatozoa of Bullacta exarata (philippi) and its significance on reproductive evolution and physio-ecological adaptation
A1 - YING Xue-ping
A1 - YANG Wan-xi
A1 - JIANG Nai-cheng
A1 - ZHANG Yong-pu
J0 - Journal of Zhejiang University Science A
VL - 5
IS - 10
SP - 1211
EP - 1217
%@ 1869-1951
Y1 - 2004
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2004.1211

The morphology and ultrastructure of bullacta exarata spermatozoa observed by light and transmission electron microscopy are presented in this paper. The spermatozoa is composed of head with a simple acrosomal complex and an elongated nucleus, and tail with a midpiece, principal piece and an end piece. The midpiece consists of a mitochondrial ring, and the principal piece is composed of axoneme and lateral fin. The structure of B. exarata spermatozoa differs significantly from that of other gastropods, especially in the lateral fin and the principal piece, which was described scarcely before. A comparison is made between B. exarata and other gastropods, and its significance on reproductive evolution and physio-ecological adaptation is preliminarily discussed.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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