Enterobius vermicularis y Trichinella Spiralis
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Enterobius vermicularis
Morfología
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Nemátodo fusiforme
Ubicación cefálica de la boca, esta posee tres labios y un par de aletas (alulas)
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Macho3 a 5 mm. de longitud por 0.1 a 0.2 mm en su porción más
gruesa.Extremo posterior encorvado hacia la cara ventral.
Hembra8 a 16 mm de longitud por 0.3 a 0.5 mm de grosor.
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Extremo posterior alargado= 1/3 de la longitud total.
La vulva se abre entre el primer y el segundo tercio.
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Ovoposición: 5,000 a 16,000.
Huevos ovoides con una cara plana y la otra convexa.
50 a 60 micras de largo y 20 a 30 micras de ancho.
Cubierta delgada y transparente, a través de la cual se ve la larva desarrollada y activa.
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Enterobius vermicularis
Diagnóstico
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Trichinella Spiralis
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Trichinella Spiralis
• Estructuras típicas de Nematodos, difieren en que las hembras son vivíparas.
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Trichinella Spiralis
• Macho:• 1.4 a 1.6 mm de longitud• 40 a 60 micras de diámetro• Testículo: Se abre cerca de la mitad
del esofago.
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Trichinella Spiralis
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Trichinella Spiralis
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Trichinella Spiralis
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Trichinella Spiralis
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Trichinella Spiralis
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Trichinella Spiralis
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Trichinella Spiralis