CAPÍTULO 1. TÉCNICAS HISTOLÓGICAS Flashcards

1
Q

¿qué es basofilia?

A

sustancias (cationes) afín a lo básico por grupos de sulfato

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Contraste en microscopía electrónica

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Hematoxilina

A
  • tinción básica (tiñe lo basófilo) = ADN y ARN
  • reacciona con moléculas de carga negativa (ej: grupos sulfato)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

poder de resolución en Microscopio óptico

A

0.2 μM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

poder de resolución del MET

A

0.05 nm (1nm= 0.001μM)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Wright y Giemsa

A

tinción diferencial de las células sanguíneas
-eritrocitos y eosinófilos = rosa
-núcleos de leucocitos y basófilos = morado
-citoplasma monocitos/linfocitos = azul

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

PAS (ácido peryódico de Shiff)

A
  • tinción de moléculas de glucógeno
  • hidratos de carbono = magenta
  • reacciona con grupos aldehído
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tinción argéntica

A

fibras reticulares (colágeno III) = negro

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tinción elástica Weigert

A

fibras elástica = azul

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tricrómico de Mallory

A

Fuscina, Naranja G y Anilina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

H&E

A

Hematoxilina= lo basófilo azul
Eosina= el citoplasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

tinción para ver fosfolípidos

A

metales pesados (permanganato & osmio)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

colorantes básicos

A
  • azul de metileno
  • verde metilo
  • azul de toluidina
  • pironina G
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

colorantes ácidos

A
  • eosina
  • fuscina ácida
  • naranja G
  • anilina azul
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Metacromasia

Definición + causa

A

Cambio de color en una tinción, por causa de polianiones de sulfato

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tipos de tejido

A
  1. Epitelial
  2. Muscular
  3. Nervioso
  4. Conectivo/conjuntivo