上海海洋大学学报2012，Vol.21Issue(1)：33-40,8.
日本沼虾胚胎发育的形态及组织学观察
The morphological and histological observation of embryonic development in the oriental river prawn Macrobrachium nipponense
摘要
Abstract
In this study,morphological and histological methods were used to observe the embryonic developmental process of the oriental river prawn Macrobrachium nipponense.According to its morphological characteristics,the embryonic developmental process can be devided into eight stages：（a） Fertilized egg,（b） Cleavage stage,（c） Blastula stage,（d） Gastrula stage,（e） Embryonized-nauplius stage,（f） Embryonized-metanauplius stage,（g） Embryonized-protozoea stage,and（h） Embryonized-zoea stage.The cleavage pattern of the oriental river prawn was the transitional pattern between complete cleavage and meroblastic cleavage.The embryo has no blastocoele.Rudiments of the three paired naupliar appendages were organized at the embryonized-nauplius stage.The abdominal region was organized into segments at the embryonized-protozoea stage.Pigments of compound eyes appeared at the embryonized-protozoea stage,and then the pigmental region continued to increase.At the embryonized-zoea stage,structures of the compound eyes reached relative maturity.The segmentation of the abdominal region and the appearance of the pigments indicated that the embryo has been in the embryonized-protozoea stage.The duration of last four embryonic developmental stages were longer than that of other stages,owing to the formation and differentiation of the appendages at later stages.关键词
日本沼虾/胚胎发育/形态学/组织学Key words
Macrobrachium nipponense/embryonic development/morphology/histological分类
农业科技引用本文复制引用
陈瑛,朱琴,陈辉,朱小玲,崔峥,邱高峰..日本沼虾胚胎发育的形态及组织学观察[J].上海海洋大学学报,2012,21(1):33-40,8.基金项目
上海市浦江人才计划项目 （）
上海市科学技术委员会自然科学基金 （）
上海市教育委员会科研创新项目 （）
上海市教育委员会重点学科建设项目 （）
教育部科学技术研究重点项目 （）
