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Histological studies on the digestive tracts in Carassius auratus Triploid and Cyprinus carpio Triploid
Author(s): 
Pages: 23-27
Year: Issue:  2
Journal: JOURNAL OF FISHERY SCIENCES OF CHINA

Keyword:  湘云鲫湘云鲤消化道组织学;
Abstract: 采用石蜡切片法和显微测量法研究了新型三倍体鱼—湘云鲫(Carassius auratus Triploid)、湘云鲤(Cyprinus carpio Triploid)消化道的组织结构,并探讨了消化道组织结构和食性之间的关系。结果表明:湘云鲫、湘云鲤食道和肠道壁均由粘膜层、粘膜下层、肌层、浆膜层4层组成,缺乏粘膜肌;二者消化道的组织结构与其各自的食性一致;二者食道粘膜上皮由单层柱状细胞和杯状细胞组成,这与其它鱼类的不同;湘云鲫比湘云鲤具有对食物更强的消化吸收能力;湘云鲫、湘云鲤肠道可分为前肠、中肠、后肠3段。
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