Embryological Stages of Development: Mesodermal —> Chondrification —> Ossification

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8 Terms

1
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What are the 3 Embryological Stages of Development?

1. Mesodermal

2. Chondrification

3. Ossification

Mesodermal —> Chondrification —> Ossificaiton

2
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What is Mesodermal?

1. Notochord persists as Nucleus Pulposus

2. 31 pairs of Mesodermal somites from Paraxial Mesoderm

3
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What is Chondrification?

Mesoderm being replaced by cartilage

4
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What is Ossification?

Cartilage replaced by bone

5
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What are the 2 types of ossification?

Primary ossification= before birth

Secondary ossification= after birth

6
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What is Intramembranous/Intramedullary ossification?

Mesenchymal tissue into bone

-Clavicle and all flat bones of skull (Ex: Parietal)

7
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What is Endochondral ossification?

Performed in cartilage= ossification for all other bones

8
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What bone is BOTH Intramembranous & Endochondral?

Scapula