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海洋科学  2007 

泥螺肝胰腺细胞的超微结构和功能

, PP. 41-46

Keywords: 泥螺(Bullacta,exarata),肝胰腺,细胞,超微结构

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Abstract:

利用透射电镜技术研究了泥螺(Bullactaexarata)肝胰腺细胞的超微结构。结果表明,泥螺的肝胰腺主要由4类细胞构成:泡状细胞(B细胞)、吸收细胞(R细胞)、纤维细胞(F细胞)和胚细胞(E细胞)。B细胞大,长柱状,胞质中有许多消化泡;R细胞的脂滴数量多,体积大,具少量的线粒体;F细胞含有极丰富的粗面内质网、线粒体等结构,但脂滴的数量远远少于R细胞。E细胞为多边形,核大而圆,粗面内质网少,线粒体小而狭长。根据这4种细胞的超微结构特点,指出了泥螺肝胰腺的功能,并探讨了肝胰腺细胞的分化序列。

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