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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Development and hatching mechanism of Fasciola eggs, light and scanning electron microscopic studies
Saudi Journal of Biological Sciences, Volume 17, No. 3, Year 2010
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Description
Both light microscopy and scanning electron microscopy were used in the description. There were variable measurements of eggs from the same fluke and there was no relationship between the size of the fluke and size of eggs. Light microscopy revealed that the operculum has different shapes in Fasciola gigantica and F. hepatica. Under normal laboratory conditions of temperature (26 ±1 °C), miracidia of F. gigantica developed within 12-16 days period, but those of F. hepatica developed within a period of 13-15 days. The miracidia of F. gigantica measured 110 × 70 μm and that of F. hepatica measured 136 × 74 μm. The life span of the miracidium in F. gigantica ranged between 9 and 12 h, while in F. hepatica the life span did not exceed 10 h. Miracidial epidermal plates in miracidium of F. gigantica were found to be 20 plates arranged in four tiers of six, four, six and four. Hatching process was recorded using scanning electron microscope, and it indicated partially opened operculum. © 2010 King Saud University. All rights reserved.
Authors & Co-Authors
Hussein, Abdel Nasser A.
Saudi Arabia, Abha
King Khalid University
Egypt, Qena
Faculty of Science
Hassan, I. M.
Egypt, Qena
Faculty of Science
Khalifa, Refaat Mohamed A.
Egypt, Asyut
Faculty of Medicine
Statistics
Citations: 16
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/j.sjbs.2010.04.010
ISSN:
1319562X