Formation of Bone in the Early Skeleton notes Flashcards
1
Q
How many tissues make up the human embryo?
A
2
2
Q
What do the two tissues that make up the human embryo gradually turn into?
A
Bone
3
Q
The process of making bone is called
A
ossification
4
Q
Intramembranous ossification
A
- Uses soft membranes (mesenchyme of collagen to make bone)
- Makes flat bones of skull and clavicles
- Process complete by age 2
5
Q
What is mesenchyme?
A
Embryonic tissue
6
Q
Endochondral ossification
A
- Uses hyaline cartilage
- Forms rest of skeleton
- Process complete by end of puberty
