Angiostrongylus costaricensis and experimental infection of Sarasinula marginata II: elimination routes
Mem. Inst. Oswaldo Cruz
;
98(7): 893-898, Oct. 2003. ilus, tab
Article
Dans Anglais
| LILACS
| ID: lil-352390
ABSTRACT
Angiostrongylus costaricensis intermediate hosts are terrestrial mollusks mostly belonging to the Veronicellidae family. In the present investigation we focused on the mechanisms of larval expulsion from Sarasinula marginata infected with A. costaricensis. Twenty-five mollusks were individually infected with 5000 L1 and sacrificed at 30 min and 1, 2, 4, 6, and 8 h post-infection and at days 1, 2, 4, 5, 6, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 25, 26, 28, and 30 post-infection; the mollusks were then fixed and stained. Diverse organs involved throughout the course of the migratory routes of larvae from oral penetration on were specified and the mechanisms of larval access to the fibromuscular layer through the kidney, rectum, and vascular system were defined. The elimination of L3, derived from oral and/or cutaneous infections, appears to depend on granulomas located close to the excretory ducts of mucous cells.
Texte intégral:
Disponible
Indice:
LILAS (Amériques)
Sujet Principal:
Angiostrongylus
/
Mollusca
Limites du sujet:
Animaux
langue:
Anglais
Texte intégral:
Mem. Inst. Oswaldo Cruz
Thème du journal:
Médecine tropicale
/
Parasitologie
Année:
2003
Type:
Article
/
descriptif de projet
Pays d'affiliation:
Brésil
Institution/Pays d'affiliation:
Fiocruz/BR
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