哲罗鱼肝脏和胰脏发生和发育的组织学研究

›› 2011, Vol. 24 ›› Issue (3): 16-20.

哲罗鱼肝脏和胰脏发生和发育的组织学研究

关海红,尹家胜

中国水产科学研究院黑龙江水产研究所,黑龙江哈尔滨,150070

收稿日期:2011-03-15 出版日期:2011-03-15 发布日期:2011-03-15
通讯作者: 关海红

Histological ontogenesis of liver and pancreas in taimen Hucho taimen

Received:2011-03-15 Online:2011-03-15 Published:2011-03-15

摘要/Abstract

摘要： 采用形态观察与连续组织切片技术,观察和研究了哲罗鱼（Hucho tai men）肝脏和胰脏在胚胎期（水温7～8℃）和胚后期（水温3～14℃）的发育。结果表明,与大多数硬骨鱼类不同,哲罗鱼的肝脏是在破膜前就开始发生、发育,而胰脏是在破膜后出现,以后逐渐发育完善。受精18 d肝原基细胞出现,破膜8 d,胰细胞出现,破膜8 d肝后部开始贮存脂质,破膜18 d后肝前部开始积累脂质,肝脏发育与卵黄囊有密切的关系。肝脏和胰脏为相互分开的独立器官,具有丰富的肝、胰管。

关键词: 哲罗鱼, 肝脏, 胰脏, 胚后发育, 组织学

Abstract: The histological and morphological ontogenesis of liver and pancreas in taimen Hucho taimen was studied by serial section technique.The results showed that there are significant differences in the taimen from most of the teleost in that the liver ontogenesis initiated before hatching in the taimen and the pancreas ontogenesis was appeared after hatching.The liver primodium was observed 18 days after fertilization,and the pancreatic cells were found 8 d after hatching,and the liver cells to have fat storing 18 days after hatching,indicating that the liver development is involved in yolk absorption.The liver and pancreas are independent organs,and have prolific tubes.

Key words: Hucho taimen, liver, pancreas, post-embryonic development, Histology

中图分类号:

Q954
S917

关海红;尹家胜. 哲罗鱼肝脏和胰脏发生和发育的组织学研究[J]. , 2011, 24(3): 16-20.

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