Scanning Electron Microscopy of Adult Wuchereria bancrofti (Nematoda: Filarioidea)
Despite the great importance of Wuchereria bancrofti in causing human lymphatic filariasis, only conventional morphological studies have been completed with adult forms of this filaria. No ultrastructural studies have been carried out, mainly due to the difficulty in obtaining viable parasites from...
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| Veröffentlicht in: | The Journal of parasitology 1995-06, Vol.81 (3), p.468-474 |
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| container_title | The Journal of parasitology |
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| creator | Ana C. G. Araujo Figueredo-Silva, J. Souto-Padrón, T. Dreyer, G. Norões, J. De Souza, W. |
| description | Despite the great importance of Wuchereria bancrofti in causing human lymphatic filariasis, only conventional morphological studies have been completed with adult forms of this filaria. No ultrastructural studies have been carried out, mainly due to the difficulty in obtaining viable parasites from human tissues and the lack of a suitable experimental model or in vitro cultivation. With the recent success in using ultrasound to localize adult worms in living tissues and their surgical recovery from human lymphatic vessels, we show in the present paper the first ultrastructural observations of this nlarial form. The cuticle surface analyzed by scanning electron microscopy showed a transversal striated aspect with periodic annulations and many small protuberances irregularly distributed along the filaria. The adults present a specialized cephalic area, with the oral opening surrounded by a circular mouth, papillae, and amphidial opening. Other structures, for example the anal, vulvar, and cloacal opening and spicules, were also observed and are described herein. |
| doi_str_mv | 10.2307/3283834 |
| format | Article |
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G. Araujo ; Figueredo-Silva, J. ; Souto-Padrón, T. ; Dreyer, G. ; Norões, J. ; De Souza, W.</creator><creatorcontrib>Ana C. G. Araujo ; Figueredo-Silva, J. ; Souto-Padrón, T. ; Dreyer, G. ; Norões, J. ; De Souza, W.</creatorcontrib><description>Despite the great importance of Wuchereria bancrofti in causing human lymphatic filariasis, only conventional morphological studies have been completed with adult forms of this filaria. No ultrastructural studies have been carried out, mainly due to the difficulty in obtaining viable parasites from human tissues and the lack of a suitable experimental model or in vitro cultivation. With the recent success in using ultrasound to localize adult worms in living tissues and their surgical recovery from human lymphatic vessels, we show in the present paper the first ultrastructural observations of this nlarial form. The cuticle surface analyzed by scanning electron microscopy showed a transversal striated aspect with periodic annulations and many small protuberances irregularly distributed along the filaria. The adults present a specialized cephalic area, with the oral opening surrounded by a circular mouth, papillae, and amphidial opening. Other structures, for example the anal, vulvar, and cloacal opening and spicules, were also observed and are described herein.</description><identifier>ISSN: 0022-3395</identifier><identifier>EISSN: 1937-2345</identifier><identifier>DOI: 10.2307/3283834</identifier><identifier>PMID: 7776136</identifier><identifier>CODEN: JOPAA2</identifier><language>eng</language><publisher>Lawrence, KS: American Society of Parasitologists</publisher><subject>Adults ; Animals ; Biological and medical sciences ; Brazil ; Carrier State - parasitology ; Cloaca ; Female ; Filariasis - parasitology ; Fundamental and applied biological sciences. Psychology ; Humans ; Invertebrates ; Male ; Mating behavior ; Microfilariae ; Microscopy, Electron, Scanning ; Morphology. Histology. Cytology ; Nemathelminthia. Plathelmintha ; Nematode larvae ; Papillae ; Parasitology ; Scanning electron microscopy ; Tropical medicine ; Ultrastructure ; Worms ; Wuchereria bancrofti - ultrastructure</subject><ispartof>The Journal of parasitology, 1995-06, Vol.81 (3), p.468-474</ispartof><rights>Copyright 1995 American Society of Parasitologists</rights><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-383a5b7d14dd3949149c5b85044a936cf866e71667590ae74f7af956f2fdfafa3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3283834$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3283834$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3605268$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7776136$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ana C. G. Araujo</creatorcontrib><creatorcontrib>Figueredo-Silva, J.</creatorcontrib><creatorcontrib>Souto-Padrón, T.</creatorcontrib><creatorcontrib>Dreyer, G.</creatorcontrib><creatorcontrib>Norões, J.</creatorcontrib><creatorcontrib>De Souza, W.</creatorcontrib><title>Scanning Electron Microscopy of Adult Wuchereria bancrofti (Nematoda: Filarioidea)</title><title>The Journal of parasitology</title><addtitle>J Parasitol</addtitle><description>Despite the great importance of Wuchereria bancrofti in causing human lymphatic filariasis, only conventional morphological studies have been completed with adult forms of this filaria. No ultrastructural studies have been carried out, mainly due to the difficulty in obtaining viable parasites from human tissues and the lack of a suitable experimental model or in vitro cultivation. With the recent success in using ultrasound to localize adult worms in living tissues and their surgical recovery from human lymphatic vessels, we show in the present paper the first ultrastructural observations of this nlarial form. The cuticle surface analyzed by scanning electron microscopy showed a transversal striated aspect with periodic annulations and many small protuberances irregularly distributed along the filaria. The adults present a specialized cephalic area, with the oral opening surrounded by a circular mouth, papillae, and amphidial opening. Other structures, for example the anal, vulvar, and cloacal opening and spicules, were also observed and are described herein.</description><subject>Adults</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Brazil</subject><subject>Carrier State - parasitology</subject><subject>Cloaca</subject><subject>Female</subject><subject>Filariasis - parasitology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Invertebrates</subject><subject>Male</subject><subject>Mating behavior</subject><subject>Microfilariae</subject><subject>Microscopy, Electron, Scanning</subject><subject>Morphology. Histology. Cytology</subject><subject>Nemathelminthia. Plathelmintha</subject><subject>Nematode larvae</subject><subject>Papillae</subject><subject>Parasitology</subject><subject>Scanning electron microscopy</subject><subject>Tropical medicine</subject><subject>Ultrastructure</subject><subject>Worms</subject><subject>Wuchereria bancrofti - ultrastructure</subject><issn>0022-3395</issn><issn>1937-2345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kMtKw0AUhgdRaq3iEwhZiJdFdDLXxF0prQpVwQsuw8lkRqekmTqTLPr2pjTUlYvDWfwf5_IhdJrgG0KxvKUkpSlle2iYZFTGhDK-j4YYExJTmvFDdBTCAmPMuxqggZRSJFQM0eubgrq29Vc0rbRqvKujJ6u8C8qt1pEz0bhsqyb6bNW39tpbiAqou9w0Nrp61ktoXAl30cxW4K2zpYbrY3RgoAr6pO8j9DGbvk8e4vnL_eNkPI8VpayJu3OBF7JMWFnSjGUJyxQvUo4Zg4wKZVIhtEyEkDzDoCUzEkzGhSGmNGCAjtDFdu7Ku59WhyZf2qB0VUGtXRtyKWlCBOEdeLkFN38Fr02-8nYJfp0nON_Yy3t7HXnWj2yLpS53XK-ry8_7HIKCyvjOhQ07jArMiUj_sEVonP932y9FhYBm</recordid><startdate>19950601</startdate><enddate>19950601</enddate><creator>Ana C. G. Araujo</creator><creator>Figueredo-Silva, J.</creator><creator>Souto-Padrón, T.</creator><creator>Dreyer, G.</creator><creator>Norões, J.</creator><creator>De Souza, W.</creator><general>American Society of Parasitologists</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19950601</creationdate><title>Scanning Electron Microscopy of Adult Wuchereria bancrofti (Nematoda: Filarioidea)</title><author>Ana C. G. Araujo ; Figueredo-Silva, J. ; Souto-Padrón, T. ; Dreyer, G. ; Norões, J. ; De Souza, W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-383a5b7d14dd3949149c5b85044a936cf866e71667590ae74f7af956f2fdfafa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Adults</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Brazil</topic><topic>Carrier State - parasitology</topic><topic>Cloaca</topic><topic>Female</topic><topic>Filariasis - parasitology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Invertebrates</topic><topic>Male</topic><topic>Mating behavior</topic><topic>Microfilariae</topic><topic>Microscopy, Electron, Scanning</topic><topic>Morphology. Histology. Cytology</topic><topic>Nemathelminthia. Plathelmintha</topic><topic>Nematode larvae</topic><topic>Papillae</topic><topic>Parasitology</topic><topic>Scanning electron microscopy</topic><topic>Tropical medicine</topic><topic>Ultrastructure</topic><topic>Worms</topic><topic>Wuchereria bancrofti - ultrastructure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ana C. G. Araujo</creatorcontrib><creatorcontrib>Figueredo-Silva, J.</creatorcontrib><creatorcontrib>Souto-Padrón, T.</creatorcontrib><creatorcontrib>Dreyer, G.</creatorcontrib><creatorcontrib>Norões, J.</creatorcontrib><creatorcontrib>De Souza, W.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of parasitology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ana C. G. Araujo</au><au>Figueredo-Silva, J.</au><au>Souto-Padrón, T.</au><au>Dreyer, G.</au><au>Norões, J.</au><au>De Souza, W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Scanning Electron Microscopy of Adult Wuchereria bancrofti (Nematoda: Filarioidea)</atitle><jtitle>The Journal of parasitology</jtitle><addtitle>J Parasitol</addtitle><date>1995-06-01</date><risdate>1995</risdate><volume>81</volume><issue>3</issue><spage>468</spage><epage>474</epage><pages>468-474</pages><issn>0022-3395</issn><eissn>1937-2345</eissn><coden>JOPAA2</coden><abstract>Despite the great importance of Wuchereria bancrofti in causing human lymphatic filariasis, only conventional morphological studies have been completed with adult forms of this filaria. No ultrastructural studies have been carried out, mainly due to the difficulty in obtaining viable parasites from human tissues and the lack of a suitable experimental model or in vitro cultivation. With the recent success in using ultrasound to localize adult worms in living tissues and their surgical recovery from human lymphatic vessels, we show in the present paper the first ultrastructural observations of this nlarial form. The cuticle surface analyzed by scanning electron microscopy showed a transversal striated aspect with periodic annulations and many small protuberances irregularly distributed along the filaria. The adults present a specialized cephalic area, with the oral opening surrounded by a circular mouth, papillae, and amphidial opening. Other structures, for example the anal, vulvar, and cloacal opening and spicules, were also observed and are described herein.</abstract><cop>Lawrence, KS</cop><pub>American Society of Parasitologists</pub><pmid>7776136</pmid><doi>10.2307/3283834</doi><tpages>7</tpages></addata></record> |
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| subjects | Adults Animals Biological and medical sciences Brazil Carrier State - parasitology Cloaca Female Filariasis - parasitology Fundamental and applied biological sciences. Psychology Humans Invertebrates Male Mating behavior Microfilariae Microscopy, Electron, Scanning Morphology. Histology. Cytology Nemathelminthia. Plathelmintha Nematode larvae Papillae Parasitology Scanning electron microscopy Tropical medicine Ultrastructure Worms Wuchereria bancrofti - ultrastructure |
| title | Scanning Electron Microscopy of Adult Wuchereria bancrofti (Nematoda: Filarioidea) |
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