Ossification endochondrale | Quizalize

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Ossification endochondrale | Quizalize

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Ossification endochondrale

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Q 1/10
Score 0
Quel est le processus par lequel le cartilage se transforme en os durant le développement ?
30
Ossification intramembraneuse
Ossification parenchymateuse
Ossification endochondrale
Déminéralisation
Q 2/10
Score 0
Dans quel type de tissu se produit principalement l'ossification endochondrale ?
30
Cartilage
Muscle
Tissu conjonctif
Os spongieux

10 questions

Q.

Quel est le processus par lequel le cartilage se transforme en os durant le développement ?

1

30 sec

Q.

Dans quel type de tissu se produit principalement l'ossification endochondrale ?

2

30 sec

Q.

Quel est le premier type de cellule osseuse impliquée dans l'ossification endochondrale ?

3

30 sec

Q.

À quel stade du développement embryonnaire commence généralement l'ossification endochondrale ?

4

30 sec

Q.

Quel est le rôle principal des ostéoblastes dans l'ossification endochondrale ?

5

30 sec

Q.

Quel facteur de croissance joue un rôle crucial dans l'ossification endochondrale en stimulant la production de cartilage ?

6

30 sec

Q.

Quel est le principal produit final de l'ossification endochondrale ?

7

30 sec

Q.

Quel est le rôle des chondrocytes pendant l'ossification endochondrale ?

8

30 sec

Q.

Quelle est la première structure osseuse à se former lors de l'ossification endochondrale ?

9

30 sec

Q.

Quel processus se produit après la mort des chondrocytes dans l'ossification endochondrale ?

10

30 sec

Related quizzes

Endochondral ossification (cont’d) Secondary ossification center appears in the epiphysis (shortly after birth); no bone collar During remodeling, cavity is produced that fills with bone marrow 2 areas of cartilage remain Articular Epiphyseal (responsible for bone growth in length) Closure of plates is complete by age 20 Once closed, growth in length is stopped
OSTEOGENESIS OF BONE (INTRAMEMBRANOUS VS. ENDOCHONDRAL) Intramembranous ossification (most flat bones of skull) Occurs w/in condensations of embryonic mesenchymal cells Differentiate into osteoblasts (takes place in primary ossification center) which surround capillaries Osteoid matrix is produced and then calcified forming trabeculae (islands of bone) of woven (primary) bone; its surface is surrounded by osteoblasts Trabecular growth leads to the fusion of adjacent ossification centers which gradually produce layers of compact bone that encloses spongy (cancellous) bone
Enchondrale Ossifikation
Osificación Endocondral
Ossification
Ossification intramembranaire
Primary ossification center produced Chondrocytes enlarge,compress matrix (into trabeculae), calcify matrix (release enzymes and osteocalcin), die & leave large empty lacunae (cavity); periosteal bud brings osteoprogenitor cells & osteoblasts which lay down bone (woven) matrix on septa of cartilage matrix Osteoclasts resorb calcified cartilage/bone complex and enlarge cavity which fills with bone marrow; bone replaces cartilage along diaphysis
Perichondrium is vascularized & bone collar formed Perichondrium becomes periosteum with osteoblasts which secrete bone matrix (collar blocks nutrients from reaching chondrocytes) Primary ossification center produced Chondrocytes enlarge,compress matrix (into trabeculae), calcify matrix (release enzymes and osteocalcin), die & leave large empty lacunae (cavity); periosteal bud brings osteoprogenitor cells & osteoblasts which lay down bone (woven) matrix on septa of cartilage matrix Osteoclasts resorb calcified cartilage/bone complex and enlarge cavity which fills with bone marrow; bone replaces cartilage along diaphysis