A scanning electron microscopic investigation of the outer surfaces of Gorgoderina attenuata

Nadakavukaren, Mathew J.; Nollen, Paul M.

doi:10.1016/0020-7519(75)90057-0

Cited by 33 publications

(20 citation statements)

References 13 publications

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“…The surface of Allogenarchopsis is encircled by tegumental folds or ridges as reported in Gorgoderioidea (e.g. Gorgoderina attenuata : Nadakavukaren and Nollen 1975;Concinnum epomopis: Otubanjo 1985;Phyllodistomum umblae: Bakke and Bailey 1987), Brachylaimoidea (Leucochloridium sp. : Bakke 1976) and Paramphistomoidea (Zygocotylelunata: Sotillo et al 2012).…”

Section: Fine Structure Of Body Surfacementioning

confidence: 70%

“…5b) of Allogenarchopsis appear to be unique. Functionally, these processes may serve to increase the surface area for absorption or by its rough surface, the ventral sucker of the parasite could attach itself to the intestinal villi of the host (Nadakavukaren and Nollen 1975).…”

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

“…and Gorgoderioidea (Phyllodistomum conostomum) (Bakke 1976). However, the papillae of the oral sucker of Schistosoma mansoni were wart-like cuticular bosses (Miller et al 1972), and spherical surface elevations in Gorgoderina attenuata (Nadakavukaren and Nollen 1975). Papillae on the trematode surface may have a regular pattern of distribution: arranged in circles; lines; or in symmetrical groups: P. conostomum; Fibricola seoulensis ; Phyllodistomum umblae (Bakke and Bailey 1987); Handerophyes nocens and Echinostoma cinandorchis ).…”

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

“…Papillae on the trematode surface may have a regular pattern of distribution: arranged in circles; lines; or in symmetrical groups: P. conostomum; Fibricola seoulensis ; Phyllodistomum umblae (Bakke and Bailey 1987); Handerophyes nocens and Echinostoma cinandorchis ). However, it may also be random: G. attenuata (Nadakavukaren and Nollen 1975); and Leucochloridium sp. (Bakke 1976).…”

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

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Taxonomic tools for the identification of Allogenarchopsis bareilliensis n. sp. (Digenea: Hemiuroidea: Derogenidae) from Channa striata of Rohilkhand, India based on light and scanning electron microscopic studies

Gupta

Gupta²,

Urabe

2016

J Parasit Dis

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The stomach of the freshwater snakehead murrel, Channa striata (n = 250) collected from fresh water habitats of Bareilly, Uttar Pradesh, India revealed Allogenarchopsis, a trematode parasite (Plagiorchiida: Derogenidae). An illustrated account of light (Olympus BX-53 with Cellsens software imaging system) and scanning electron microscopy (SEM) (Neo JCM-6000) of Allogenarchopsis bareilliensis n. sp. (prevalence 37 %, intensity 1-4 par/host) is provided. Light microscopy based studies warranting creation of a new species are the robust shape of the body with broad mid-body, blunt anterior and tapering posterior end, large ventral sucker, ratio of oral sucker: ventral sucker 1:3.5, pharynx broader than long, egg size small with relatively short egg filament, excretory vesicle U-shaped bifurcating at posterior end and terminating above intestinal shoulders. Key characteristics of the tegumental microtopography by SEM are (1) an aspinous tegument with a variety of papillae of different shapes (button-like, dome-shaped) distributed randomly on the dorsal and ventral surface (2) oral sucker and oral cavity muscular with fringed margins and morphologically different oral papillae (3) lip of ventral sucker papillated including two unequally spaced rows of papillae with sensory receptacles interspersed in between, (4) unique differentially texturized cytoplasmic processes on the ventral sucker and (5) body folds grooved, gradually becoming narrower towards posterior end. This is the first record and study on Allogenarchopsis from Channa of Rohilkhand, India using electron optics. We recommend that the newly recognized morphological features as revealed by light microscopy and SEM be utilized as taxonomic tools in future for the identification of the species.

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Section: Fine Structure Of Body Surfacementioning

confidence: 70%

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

Section: Fine Structure Of Body Surfacementioning

confidence: 99%

See 2 more Smart Citations

Taxonomic tools for the identification of Allogenarchopsis bareilliensis n. sp. (Digenea: Hemiuroidea: Derogenidae) from Channa striata of Rohilkhand, India based on light and scanning electron microscopic studies

Gupta

Gupta²,

Urabe

2016

J Parasit Dis

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show abstract

“…Thus, papillae may appear as button-like structures and can be distributed as single and double papillae on the oral and ventral surfaces of the sucker Mata-López, 2006;Nadakavukaren and Nollen, 1975). In other digeneans, the oral sucker has a spongy surface with numerous pores (Whitehouse, 2002).…”

Section: Tegument Of Suckersmentioning

confidence: 99%

Study of Helminth Parasites of Amphibians by Scanning Electron Microscopy

González¹,

Hamann²,

Salgad³

2012

Scanning Electron Microscopy

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Shape, size and surface topography of genital organs of Leucochloridium sp. (Digenea), revealed by light and scanning electron microscopy

Bakke

1976

Z. F. Parasitenkunde

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A scanning electron microscopic investigation of the outer surfaces of Gorgoderina attenuata

Cited by 33 publications

References 13 publications

Taxonomic tools for the identification of Allogenarchopsis bareilliensis n. sp. (Digenea: Hemiuroidea: Derogenidae) from Channa striata of Rohilkhand, India based on light and scanning electron microscopic studies

Taxonomic tools for the identification of Allogenarchopsis bareilliensis n. sp. (Digenea: Hemiuroidea: Derogenidae) from Channa striata of Rohilkhand, India based on light and scanning electron microscopic studies

Study of Helminth Parasites of Amphibians by Scanning Electron Microscopy

Shape, size and surface topography of genital organs of Leucochloridium sp. (Digenea), revealed by light and scanning electron microscopy

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