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Morphological observation of Epithemia ocellata (Ehr.) Kütz. (Bacillariophyceae) from China
FAN Yawen; HU Zhengyu
2007
Source PublicationChinese Journal of Oceanology and Limnology
Volume25Issue:4Pages:398-402
AbstractThe species of Epithemia ocellata (Ehr.) Kütz. from Northeastern China were observed by scanning electron microscopy (SEM). The studies on silica valve formation in different stages were made.
At the early stage, a Y-shaped raphe sternum was found. Areolae were made from virgae and vimines. In immature valves, the canal formation before the raphe fissure is visible. The raphe system, virgae and vimines (areolae) might be the early siliceous elements of the valve during morphogenesis. The formations of virgae and vimines are similar to that of Gephyria media W. Arnott. Rows of silica papillae formed gradually on the face of the valve. After the areolae were covered with silica and form rows of papillae, the outer valve surface could become mature. Details of the internal costae were observed in mature valves.
KeywordEpithemia Ocellata Morphogenesis Silica Valve Formation Virgae And Vimines
Department[FAN Yawen]Department of Biology, Harbin Normal University, Harbin 150080, China; [HU Zhengyu]Institute of Hydrobiology, the Chinese Academy of Sciences, Wuhan 430072, China
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15713
Collection期刊论文
Recommended Citation
GB/T 7714
FAN Yawen,HU Zhengyu. Morphological observation of Epithemia ocellata (Ehr.) Kütz. (Bacillariophyceae) from China[J]. Chinese Journal of Oceanology and Limnology,2007,25(4):398-402.
APA FAN Yawen,&HU Zhengyu.(2007).Morphological observation of Epithemia ocellata (Ehr.) Kütz. (Bacillariophyceae) from China.Chinese Journal of Oceanology and Limnology,25(4),398-402.
MLA FAN Yawen,et al."Morphological observation of Epithemia ocellata (Ehr.) Kütz. (Bacillariophyceae) from China".Chinese Journal of Oceanology and Limnology 25.4(2007):398-402.
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