Musculo Esqueletico Flashcards by Emilio Aurelio Ramírez Fajardo

Q

Sarcosoma

A

Mitocondria

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Q

Sarcolema

A

Membrana

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Q

Sarcoplasma

A

Citosol

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Q

Tríada

A

Tubulos T + 2 cisternas terminales

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Q

Sarcomera

A

Unidad funcional de la fibra celular

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Q

Rabdomiocito y células satélite

A

Estríado esquelético
1 mm a 30 cm

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Q

Nebulina

A

Largo de la actina

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Q

Tropomodulina

A

Tope para la polimerización

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Q

Titina

A

Favorece elasticidad de la contracción
Discos Z y línea M

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Q

Tropomiosina

A

Oculta los sitios activos

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Q

Costómeros

A

Unión de las membranas

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Q

Bandas H

A

Pura miosina

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Q

Bandas I

A

Filamentos delgados

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Q

Bandas

A

Filamentos gruesos y delgados

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Q

Fibra 1

A

Fibras pequeñas y resistentes

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Q

Fibra 2

A

De contracción rápida

Q

Miosina 2

A

4 cadenas ligeras
2 cadenas pesadas

Q

Endomisio

A

1 fibra

Q

Perimisio

A

Rodea un fascículo

Q

Epimisio

A

Rodea al músculo

Q

Durante contracción

A

H desaparece
I se acorta

Q

Tríada

A

Unión de bandas I y A

Q

Aceticolina

A

Mete sodio para aumentar voltaje