ArticleParasitology research2012
Scanning electron microscope observations on the monogenean parasite Paraquadriacanthus nasalis from the nasal cavities of the freshwater fish Clarias gariepinus in Egypt with a note on some surface features of its microhabitat.
Article in Parasitology research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 4 citations in OpenAlex.
- Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples.Journal of visualized experiments : JoVE · 2017Article
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1 author at 1 institution in 1 country.
Funding
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Abstract
Surface features of the monogenean Paraquadriacanthus nasalis Ergens, 1988 (quoted by Kritsky, 1990) inhabiting the nasal cavities of the freshwater fish Clarias gariepinus were studied for the first time using scanning electron microscopy. The anterior adhesive areas possess two slit-like openings. Many small openings were detected on the tegument covering the anterior-most region of the head. Some considerably large openings were also found in the median region between the two slit-like openings of the adhesive sacs. A transverse slit-like mouth opening with two lip-like structures was detected on the ventral surface of the body. Three types of presumed sensory structures were found associated with the tegument of the anterior adhesive area and anterior region of the body. These are surface ciliary sensilla, dome-shaped structures, and many spherical structures. The possible functions of these presumed sensory structures were discussed. The tegument covering the anterior adhesive area lacks microvilli, while the tegument covering the haptor is associated with microvilli. The haptoral sclerites were found in two different positions. Some surface features of the nasal cavities of C. gariepinus (microhabitat of P. nasalis) were also studied using scanning electron microscopy. Many lamellae-like and spine-like structures were recognized. The epithelium lining in some regions of the nasal cavities has small and large openings and covered with mucus. The possible roles of some haptoral sclerites in the attachment of the parasite to the host tissues were discussed.
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