Uncinarias
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Transcript of Uncinarias
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UNCINARIAS -Ancylostoma duodenale -Ancylostoma caninum -Necator americanus
Por: Abdías Caballero Marukyelys Calderón Ovidio Cortés Lorain Cossio Yanina Muñoz
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DATOS GENERALES
Estadío diagnóstico: huevos fertilizados en heces. Estadío infectante: Larva filariforme. Mx de infección: Penetración de larva filariforme por
piel. Hábitat del adulto
A. duodenale y N. americanus: ID del hombre. A. caninum: ID del perro
Hábitat de las ovas: suelo arenoso Método diagnóstico: Kato-katz y Sulfato de Zinc Enfermedad que causa: uncinariosis Ancylostoma duodenale y Necator americanus
son endémicos en Panamá
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Ovas de uncinarias
¡IMPORTANTE! Se puede colocar
cualquier especie (No se diferencian las ovas) Ancylostoma
duodenale Ancylostoma caninum Necator americanus
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Uncinarias-Ciclo de vida
Ei= L3
EDx= huevos no
embrionados
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Ovas
CARACTERÍSTICAS
Envueltos por membrana
hialina transparente.
8- 16 blastómeros o
mórula (dependiendo del
estadío en que se
encuentre).
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MEMBRANAHIALINA
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CARACTERÍSTICAS DE LAS LARVAS• L2- Larva Rabditoide• L3- Larva Filariforme
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Larva rabditoide Larva filariforme
o Esófago: bulboso.o Se ve completa en 40xo Cavidad bucal larga.o Primordio genital
pequeño.
• Esófago: filiforme y corto (no llega a la mitad del cuerpo).
• Se ve completa EN 10X• Termina en punta.• Es el estadío infectante.
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Puedo observar la L2 en TODO el campo cuando el
objetivo se encuentra en 40x
40x
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40x
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40x
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10xPuedo observar la L3 en TODO el campo cuando el
objetivo se encuentra en 10x
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ANCYLOSTOMA BRAZIELIENSE
Esta placa es de la mesa de del Dr. Azael.
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Ancylostoma braziliense
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10x
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ADULTOS
Característica Ancylostoma Necator Americanus
Cavidad bucal
DientesA. duodenale: 2 paresA. caninum: 3 pares
Placas semilunares
cortantes
Espículas copulatrices (♂)
NO FUSIONADAS FUSIONADAS
Rayo dorsal (♂) Tripartido Bipartido
Bolsa copulatriz (♂) Más ANCHA que larga Más LARGA que ancha
Espina caudal o mucro (♀) Presente Ausente
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COMPARACIÓN DE LAS CÁPSULAS BUCALES
A. duodenale A. caninum N. americanus
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COMPARACIÓN DE LAS BOLSAS COPULATRICES
• Ancylostoma duodenale• Ancylostoma caninum
Necator americanus
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Comparación de las puntas de las colas (♀)
• Ancylostoma duodenale• Ancylostoma caninum
Necator americanus
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Ancylostoma duodenale
Características 2 pares de dientes
ventrales 1 par interno
Es endémico
en Panamá
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10x
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10x
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10x
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Ancylostoma caninum
Características Tres pares de
dientes ventrales
• L3 es el Ei y quien produce LMC al humano. NO HAY adulto en el humano (somos huéspedes accidentales).
• El adulto está en el ID del perro (huésped definitivo)
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10x
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10x
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Placa de la mesa n°2…
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Para observar los dientes hay que mover el tornillo micrométrico…
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Bolsas copulatrices (♂)Ancylostoma spp.
Características Bolsa copulatriz más
ancha que larga Rayo dorsal
tripartido Espículas separadas
(no fusionadas)
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40x
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10x
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Punta de la cola (♀)Género Ancylostoma spp.
Características• Espina caudal
presente• Vulva posterior a la
mitad del cuerpo
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10x
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Necator americanusCápsula bucal
Características 1 par de placas
semilunares 1 diente dorsal
En la mesa del Dr. Azael hay un frasquito con glicerina que contiene N. americanus.También hay un un cubito de “plástico” con A. duodenale (como el de L. mactans)
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10x
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Parece que no tuviera NADA en la cápsula bucal (como si estuviera
BOCACHO)
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10x
1 Diente dorsal
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Bolsas copulatrices (♂)Necator americanus
Características
Bolsa copulatriz más
larga que ancha
Rayo dorsal
bipartido
Espículas fusionadas
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Punta de la cola (♀)Necator americanus
Características Espina caudal
AUSENTE Vulva anterior a la
mitad del cuerpo
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