Muscles 1.1 Flashcards

1
Q

Fonctions du muscle

A

-movements de segments
-maintien postural
-thermorégulation

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2
Q

Types de cellules musculaires

A

-muscle squelettique (strié)
-muscle cardiaque (strié)
-muscle lisse

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3
Q

Fibres divisé en quoi?

A

-Myofibrille
-myofilaments

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4
Q

3 enveloppes du fascias

A

1-epimysium
2-perimysium
3-endomysium

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5
Q

Quel est la membrane qui délimite chaque fibres musculaire?

A

Sarcolemme

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6
Q

Non du liquide à l’intérieur du sacrolemme

A

Sarcoplasme

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7
Q

Rôle du sarcoplasme

A

Renferme des protéines contractiles, des enzymes, des particules de graisse et de glycogène, des noyaux et des mitochondries et myoglobine.

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8
Q

Où est situé le sacrolemme?

A

Sous l’endomysium

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9
Q

2 protéines des myofilaments

A

-actine
-myosine

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10
Q

Définition sarcomère

A

L’unité fonctionnelle de la cellule

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11
Q

Ce qui constitue le sacromère

A

La ligne Z

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12
Q

Chaque myofilament de myosine est en relation avec ___ myofilaments d’actinie

A

6

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13
Q

Ordre de grandeur: fibre musculaire, actine, myosine, faisceau musculaire

A

-faisceau musculaire
-fibre musculaire
-myosine
-actine

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14
Q

Quelle est le rôle du réticulum sacro plasmique?

A

Contenir le calcium

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15
Q

Les fascias sont composés de (2)

A

Collagène et élastine

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