Tecnicas Histologicas Flashcards

1
Q

Què compone un tejido?

A

Cèl + matriz extracelular

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2
Q

Cùales son los tipos de tejidos?

A

-Epitelial
-Conectivo
-Muscular
-Nervioso

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3
Q

Cùales son las 7 tecnicas para el MOC?

A

1- Toma de amuestra
2-Fijacion
3-Inclusion
4-Corte
5-Coloracion
6-Montaje
7-Observacion

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4
Q

Cùales son los fijadores Quimicos?

A

-Formol 10%
-Formol Brufferado
-Bouim
-Etanol y Metanol

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5
Q

Cuale son las tinciones màs comuns?

A

-Hematoxilina
-Eosina

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6
Q

Hable de la EOSINA

A

-Colorante àcido (mionico)
-rosa
-tiene por afinidad sustancias bàsicas : grupo amino de las proteinas
-Acidòfilo

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7
Q

EJ de EOSINA

A

-Proteinas citoplasmaticas ; fibras extracelulares

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8
Q

Hable de la HEMATOXILINA

A

-Colorante bàsico (cationico)
-violeta
-tiene por afinidad sustancias àcidas : grupos fosfato de los acidos nucleicos ; grupos sulfato e los glucosaminoglicanos ; grupos carboxila de proteinas.
-Basòfilo

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9
Q

Ej de HEMATOXILINA

A

Nùcleo ; ribosomas , matrix cartilaginosa

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10
Q

Cùales son los dos tipos de tinciones especiales?

A

PAS : hidratos de carbono
Sudan : lìpidos

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11
Q

Cùal el poder de resolucion del ojo humano?

A

0.2mm

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12
Q

Cùal el poder de resolucion del MO?

A

0.2 um(micrones)

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13
Q

Cùal el poder de resolucion del ME

A

0.05mm y 1mm

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14
Q

Què es el poder de resolucion?

A

La distancia que deve haber entre 2 puntos del objetos para verse separados

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15
Q

Cùale son los tipos de MO?

A

-Campo escuro
-Constraste de fases
-luz polarizada
-fluorescencia

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16
Q

Cùales son los tipos de cortes?

A

-Transversal
-tangencial
-oblicuo
-longitudinal