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Histologia > Microscopios Electronicos > Flashcards

Microscopios Electronicos Flashcards

1
Q

Tipos de microscopios electrónicos

A

De transmisión y de Barrido

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2
Q

Diferencias entre MET y MEB

A

MET: Los electrones atraviesan la muestra para crear imagen y ve en el interior de la célula
MEB: los electrones NO atraviesan la muestra, barren la superficie para crear imagen y ve en la superficie de la célula

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3
Q

Imagen del MET

A

imagen de tonos grises

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4
Q

Imagen del MEB

A

Image de tonos gises, colorear campo, solo se ve la superficie

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5
Q

Utilidad en a medicina del MET

A

Estudio de enfermedades con alteraciones ultra estructurales

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6
Q

Utilidad en la medicina de MEB

A

Investigación

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7
Q

Límite de resolución de Microscopios electrónicos

A

0.2 - 1.0 nm

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8
Q

Fuente de iluminación de los microscopios electrónicos

A

Electrones

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9
Q

2 zonas creadas en la imagen de MET

A

Electronlucidas: claras
Electrondensas: obscuras

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10
Q

Lentes de los microscopios electrónicos

A

Lentes electromagnéticos

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Histologia (8 decks)

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