Devel of bones 2 Flashcards
1
Q
Osteogenic cell
A
stem cell
2
Q
osteoblast
A
forms bone matrix; bone builder
3
Q
osteocyte
A
maintains bone tissue; mature bone cell
4
Q
osteoclast
A
resorbs bone
5
Q
Define intramembranous ossification
A
- Intra=within; membra= membrane; ossification=formation of bone
- Formation of bone within a membrane
- Uses periosteum
6
Q
Give examples of bones that form via intramembranous ossification.
A
Flat bones of the skull, mandible, clavicle
7
Q
Define endochrondral ossification.
A
Cartilage precursor; perochondrium
8
Q
Give examples of bones that form via endochondral ossification
A
Cranial base, vertebrae, extremities
9
Q
appositional growth vs interstitial growth
A
o Appositional growth= width
o Interstitial growth= length
10
Q
what does angiogenesis mean?
A
development of blood vessels
11
Q
chondroblasts
A
cartilage producing cells
