Fisiología muscular Flashcards

1
Q

Una fibra muscular está formada por …

A

Miofibrillas

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

Los discos z están formados por …

A

a-actinina

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

Proteína que mantiene unida a la miosina en la línea M

A

Miomesina

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

¿Por qué elementos está compuesta una triada?

A

Túbulo T + reticulo sarcoplásmico

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

Unidad funcional de las miofibrillas

A

Sarcómero

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

Cuando no hay contracción, la actina se mantiene unida a la …

A

Tropomiosina

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

Proteínas contráctiles

A

Actina y miosina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Proteínas reguladoras

A

Tropomiosina y troponina

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

Proteína que mantiene alineada a la actina

A

Nebulina

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

Banda A se refiere a ….

A

Zonas donde solo hay miosina

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

Función de la proteína titina

A

Permite la elasticidad de la fibra muscular

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

En contracción de músculo esquelético, el neurotransmisor liberado es …

A

ACh

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

Banda I se refiere a…

A

Zonas donde solo hay actina.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ión que se encuentra en retículo sarcoplásmico

A

Ca2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Tipos de músculo

A

Esquelético, liso, cardiaco

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

Un fascículo está formado por…

A

Fibras musculares.