Volume 24 Issue 3
May  2003
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LUO Yong-ting, YUAN Wei-jia, MA Yong-jie, ZHANG Hui-qi SHENG Chun. Morphology and Ultrastructure of the Compound Eye in the Mud Crab (Scylla serrata). Zoological Research, 2003, 24(3): 220-226.
Citation: LUO Yong-ting, YUAN Wei-jia, MA Yong-jie, ZHANG Hui-qi SHENG Chun. Morphology and Ultrastructure of the Compound Eye in the Mud Crab (Scylla serrata). Zoological Research, 2003, 24(3): 220-226.

Morphology and Ultrastructure of the Compound Eye in the Mud Crab (Scylla serrata)

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2003-06-22
  • The morphology and fine structure of the compound eye in Scylla serrata was observed with electron microscopes (EM).Under the scanning EM,there was a thumb-shaped area with no ommatidia on the back of the compound eye.Under the transmission EM,ommatidia were hexagon,which are specific to Decapoda Brachyura;the sensitization system of an ommatidium included 11 retinular cells (RCs),of which four located at the distal part of the ommatidium;seven formed the proximal main part of the retina.Thus a "4+7"structure could be seen at the conjunction area,partly in overlap.These observations are in keeping with those reported for Portunus tritubereulatus and the larval of Macrobrachium rosenbergii,but different from those with the structure of "1+7" in Libinia and Eriocher sinensis.The difference may be related to the dependence of the species on the visual sense in their natural habitats.
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