Korean J Parasitol.
2008 Jun;46(2):87-90. 10.3347/kjp.2008.46.2.87.
Tegumental Ultrastructure of Adult Gynaecotyla squatarolae (Digenea: Microphallidae)
- Affiliations
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- 1Department of Dental Hygiene, College of Health Science, Eulji University, Sungnam 461-713, Korea.
- 2Laboratory of Electron Microscopy, College of Health Science, Eulji University, Sungnam 461-713, Korea.
- 3Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea.
- 4Department of Biomedical Engineering, College of Medicine, Dankook University, Cheonan 330-714, Korea.
- 5Department of Parasitology and Institute for Medical Science, College of Medicine, Inha University, Incheon 400-712, Korea.
- 6Department of Parasitology, College of Medicine, Dankook University, Cheonan 330-714, Korea. bbbenji@freechal.com
- KMID: 1089468
- DOI: http://doi.org/10.3347/kjp.2008.46.2.87
Abstract
- Gynaecotyla squatarolae (Digenea: Microphallidae) adult flukes were recovered from experimental chicks at day 4-6 post-infection and their tegumental ultrastructure was observed with a scanning electron microscopy. They were pyriform in shape, and their anterior halves were concaved ventrally. The whole body surface was covered with tegumental spines, which were wide and 16-17 digitated between oral and ventral suckers. The density of spines and number of digits decreased posteriorly. The oral sucker was subterminal and the excretory pore was at the posterior end of the worm. wo ventral suckers were similar in appearance and protruded near midline of the worm. The genital atrium was dextral to the small ventral sucker. The dorsal surface was covered with tegumental spines, but the spines were sparser than on the ventral surface. On the middle portion of the dorsal surface, a small opening presumed to be the Laurer's canal was een. From these findings, it has been confirmed that the adult G. squatarolae has unique characteristics in the surface ltrastructure.
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