CM - Sciences de base Flashcards

1
Q

Nommer les couches du cartilage à partir de l’os sous-chondral

A

1) Calcifiée
2) Profonde
3) Transition
4) Superficielle

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2
Q

Quelle couche de cartilage est la plus épaisse?

A

Profonde

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3
Q

Nommer les 3 composants principaux du cartilage

A

1) Eau (70%)
2) Collagène de type II (12%)
3) Aggrecans (9%)

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4
Q

Quel est le principal type de collagène dans le cartilage?

A

II

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5
Q

Quelle est la fonction du cartilage?

A

1) Surface lisse permettant le glissement

2) Absorbe les chocs

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6
Q

Vrai ou faux? Le cartilage est avasculaire et aneural

A

Vrai

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7
Q

Quelle composante du cartilage lui confère une résistance aux forces de tension?

A

Collagène de type II (matrice extracellulaire)

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8
Q

Quelle est la fonction des protéoglycanes et agrécane?

A

Capacité de compression

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9
Q

De quel type de cellule est composé le cartilage?

A

Chondrocyte

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10
Q

Vrai ou faux? Le cartilage est hypocellulaire

A

Vrai

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11
Q

Quel composant du cartilage produit les enzymes protéolytiques et plusieurs médiateurs inflammatoires?

A

Chondrocyte

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12
Q

Vrai ou faux? Le chondrocyte a une capacité limitée de réparation du cartilage

A

Vrai

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