Scanning electron microscope examination of scale-like spines on the rostellumm of five Davaineinae (Cestoda, Cyclophyllidea)

Bâ, Cheikh Tidiane; Sene, Th.; Marchand, Bernard

doi:10.1051/parasite/1995021063

Cited by 7 publications

(5 citation statements)

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“…The present work showed that C. polyacantha are characterized by square-shaped scolex with four unarmed circular suckers and large oval retractile rostellum armed with hooks arranged in 2 rows, behind these hooks, numerous very flat spines take scale-like shape forming indentation at the base of rostellum which in an agreement with the descriptions mentioned by Bâ et al (1995).…”

Section: Discussionsupporting

confidence: 92%

Morphological and Molecular Identification of Some Intestinal Helminths Infesting the Domestic Pigeon (Columba livia domestica) at Ismailia, Egypt

Ibrahim

Hassan

Moawad

et al. 2018

Catrina: The International Journal of Environmental Sciences

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Section: Discussionsupporting

confidence: 92%

Morphological and Molecular Identification of Some Intestinal Helminths Infesting the Domestic Pigeon (Columba livia domestica) at Ismailia, Egypt

Ibrahim

Hassan

Moawad

et al. 2018

Catrina: The International Journal of Environmental Sciences

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“…25 The fine morphological structure of R. echinobothrida and related species is well understood. 26,27 In this study, we found that C. aroborea extract was evidently effective on the R. echinobothrida with dosedependent activity as that of albendazole. The antiparasitic activity was further substantiated by structural damages on the fine body surface.…”

Section: Discussionmentioning

confidence: 58%

Beautyberry (Callicarpa arborea) as an Antiparasitic Agent Against Raillietina echinobothrida, an Intestinal Tapeworm

Lalthanpuii¹,

Lalchhandama²

2020

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The barks were washed with distilled water and dried under room temperature ABSTRACT Background: The beautyberry (Callicarpa arborea Roxb.) is member of the family Lamiaceae and is native to Asia. It is used in different traditional medicines for the treatment of debilitating ailments including cancer, dermatitis, diabetes mellitus, gastritis, helminthiasis, and pyrexia. A couple of pentacyclic triterpenes and phytosterols have been reported from this plant. Objective: We aimed to investigate the antiparasitic potentials of C. arborea bark extract. We used an intestinal tapeworm, Raillietina echinobothrida, for its convenience in handling and established nature as a model helminth parasite. Materials and Methods: The extract of the stem bark was prepared using methanol. Tapeworms were treated in vitro with varying concentrations of the extract. Survival values were statistically analysed. Treated tapeworms were fixed and processed for scanning electron microscopy. Results: C. arborea bark extract showed dose-dependent antiparasitic similar to that of albendazole. Scanning electron microscopy revealed damaging effects all over the body of the tapeworm. There was general shrinkage of the tegument on the scolex, neck region and strobila. Microtriches were completely removed throughout the tegument. Suckers and rostellum on the scolex were also deformed. Conclusion: Our data shows that C. arborea is a promising source of antiparasitic principles.

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“…23,24 The detail structural features of the tegument and its physical and physiological roles in poultry tapeworms are already amply described. 25,26 In our experiment, the methanol extract of I. khasiana leaves caused considerable tegumental damages including shrinkage, distortion of the spines and rostellum, and erosion of the microtriches. The antiparasitic activity was further substantiated by concentrationdependent lethal activity on R. tetragona similar to that of albendazole.…”

Section: Discussionmentioning

confidence: 62%

An Endangered Medicinal Plant, Ilex khasiana Exhibits Potent Antiparasitic Activity Against Intestinal Tapeworm

Lalnunfela¹,

Lalthanpuii²,

Lalhriatpuii³

et al. 2020

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Background: A species of holly, Ilex khasiana Purk. (family Aquifoliaceae) is one of a few critically endangered medicinal plants in India. It is endemic to Khasi Hills, Meghalaya, and Aizawl, Mizoram. In the traditional medicines of Khasi and Mizo people, the leaves are used as a panacea for all sorts of infections. Nothing is known about its true pharmacological potentials. Objective: We aimed to assess the extract of I. khasiana leaves for its purported antiparasitic property. To test the antiparasitic activity, we collected intestinal tapeworms, Raillietina tetragona. Materials and Methods: I. khasiana leaves were dried and extracted in methanol. The plant extract was used to treat the tapeworms at different concentrations. The efficacy was recorded as survival values and were analysed by Student's t-test. The plant extracttreated tapeworms were fixed, dehydrated and observed under scanning electron microscopy for studying the structural details. Results: The methanol extract of I. khasiana leaf showed dose-dependent antiparasitic effect as that of albendazole. The treated tapeworms developed massive structural damages. The scolex was deformed, with its tegument extensively damaged. The suckers had their spines clumped. The body segments severely contracted and some portions were eroded. Hair-like microtriches were completely lost. Conclusion: Our findings indicate that I. khasiana has antiparasitic activity and requires further investigations, and that there is a need to foster its conservation and propagation.

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Scanning electron microscope examination of scale-like spines on the rostellumm of five Davaineinae (Cestoda, Cyclophyllidea)

Abstract: S u m m a r y :The study by scanning electron microscope of the scolex of Davaineinae. ultrastucture. scanning electron microscopy, scale-like spines.

Cited by 7 publications

References 0 publications

Morphological and Molecular Identification of Some Intestinal Helminths Infesting the Domestic Pigeon (Columba livia domestica) at Ismailia, Egypt

Morphological and Molecular Identification of Some Intestinal Helminths Infesting the Domestic Pigeon (Columba livia domestica) at Ismailia, Egypt

Beautyberry (Callicarpa arborea) as an Antiparasitic Agent Against Raillietina echinobothrida, an Intestinal Tapeworm

An Endangered Medicinal Plant, Ilex khasiana Exhibits Potent Antiparasitic Activity Against Intestinal Tapeworm

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