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dc.contributor.authorPanat Anuracpreedaen_US
dc.contributor.authorSumittra Phutongen_US
dc.contributor.authorArin Ngamniyomen_US
dc.contributor.authorBusaba Panyarachunen_US
dc.contributor.authorPrasert Sobhonen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherSrinakharinwirot Universityen_US
dc.date.accessioned2018-11-23T10:18:17Z-
dc.date.available2018-11-23T10:18:17Z-
dc.date.issued2015-03-01en_US
dc.identifier.citationActa Tropica. Vol.143, (2015), 18-28en_US
dc.identifier.issn18736254en_US
dc.identifier.issn0001706Xen_US
dc.identifier.other2-s2.0-84920901472en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84920901472&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/36121-
dc.description.abstract© 2014 Elsevier B.V. Adult Carmyerius spatiosus or stomach fluke has an elongate, cylindrical-shaped, straight to slightly curved body, with conical anterior end and truncated posterior end. The worm measures about 8.7-11.2mm in body length and 2.3-3.0mm in body width across the mid-section. When observed by SEM, the tegumental surface in all part of the body appears highly corrugated with ridges and furrows, and having no spines. The ventral surface has more complex corrugation than those of the dorsal surface. Both anterior and posterior suckers have thick edges covered with transverse folds and appear spineless. The genital pore is located at the anterior part of the body. There are two types of sensory papillae on the surface: type 1 is bulbous in shape with nipple-like tips; type 2 has a similar shape with short cilia on the tip. The dorsal surface exhibits similar surface features, but papillae appear less numerous and are smaller. When observed by TEM, the tegument is divided into four layers. The first layer includes the ridges and furrows which are covered by a trilaminate membrane underlined by a dense lamina and coated externally with the glycocalyx. The second layer of the tegument is a narrow region of cytoplasm that contains high concentrations of ovoid electron lucent tegumental granules (TG1), and disc-shaped electron dense tegumental granules (TG2) as well as lysosomes. TG1close to the surface invariably exocytose their content into bottoms of the ridges, while some TG2are fused and have their membrane joined up with the surface membrane. The third layer is the widest middle area of the tegument which contains numerous and evenly distributed mitochondria. Both TG1and TG2granules are present but in much fewer number than in the first and second layers. The fourth layer is the innermost zone that rests on and couples with a thick basal lamina. The cytoplasm in this layer is loosely packed and contains numerous infoldings of the basal plasma membrane with closely associated mitochondria. It also contains fairly large numbers of TG1and TG2granules which are produced and transported to the tegument by one type of tegumental cells lying in rows underneath the muscular layers.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84920901472&origin=inwarden_US
dc.subjectImmunology and Microbiologyen_US
dc.subjectMedicineen_US
dc.titleSurface topography and ultrastructural architecture of the tegument of adult Carmyerius spatiosus Brandes, 1898en_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1016/j.actatropica.2014.12.003en_US
Appears in Collections:Scopus 2011-2015

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