Le tissu cartilagineux Flashcards

1
Q

substance de la MEC

A
  • glycosaminoglycanes (souvent sulfatés à proximité des chondrocytes)
  • protéoglycanes (aggrécan) + ac hyaluronique
  • elle est basophile
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cartilage hyalin (collagène)

A

type II

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

collagène type II

A

cartilage hyalin et élastique

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

cartilage élastique (collagène)

A

type II

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

fibrocartilage (collagène)

A

type I

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

collagène type I

A

fibrocartilage

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

hydratation du cartilage

A

75% d’eau

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

% de chondrocytes adultes

A

10%

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

modifications avec l’âge

A
  • diminution eau et nb de chondrocytes
  • augmentation GAGs
  • dépôts de sels de Ca++ dans la matrice
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

le périchondre est …

A

un tissu fibreux et vascularisé. Ce n’est pas du tissu cartilagineux (pas de chondrocytes)

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

groupements isogéniques axiaux

A

croissance interstitielle

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

cellules du périchondre qui se différencient en chondroblastes

A

croissance appositionnelle

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

croissance interstitielle

A

groupements isogéniques axiaux

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

croissance appositionnelle

A

cellules du périchondre qui se différencient en chondroblastes

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