Muscles Flashcards

1
Q

Types de fibres sensitives fuseau neuro musculaire

A

Ia et II

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2
Q

Type de fibres sensitives organe neuro-tendineux de Golgi

A

Ib

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3
Q

Différences cardiomyocyte par rapport à rhabdomyocyte

A
  • Cellules courtes avec ramifications
  • Noyau court, unique
  • Pas de cellules satellites
  • Absence de plaque motrice
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4
Q

Innervation du cœur par parasympathique vs sympathique

A

Parasympathique : tissu nodal
Sympathique : tout le myocarde

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5
Q

Type de jonction cellules musculaires lisses

A
  • Jonction serrée
  • Comunicante
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6
Q

Type de jonction cellules cardiaques

A

Disque intercalaire (comme myotendineuse)
Desmosomes (frontal)
Adhérente (frontal)
Communicante (côtés)

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7
Q

Corps dense et plaque d’ancrage dans quel type de cellule musculaire?

A

Lisse

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8
Q

Partie contractile et non-contractile dans fuseau neuromusculaire?

A

Contractile : périphérie
Non-contractile : centre

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9
Q

Protéines liées à actine dans muscle strié

A

Tropomyosine, Troponine

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10
Q

Différence dans l’actine de lisse?

A

Pas de troponine, calponine et caldesmone à la place

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