Flat Bones Flashcards
1
Q
Flat bone examples
A
Frontal, parietal, occipital and some temporal bones.
Scapula
2
Q
Diploe bone arrangement
A
Two layers of compact bone with a layer of spongy bone between them
3
Q
Matrix of bone is made of:
A
Hydroxyapatite
and
Collagen
4
Q
Hydroxyapatite
A
Mineral rich part of the bone.
Hard but brittle
5
Q
Collagen
A
Protein fibers that give bone some flexibility
6
Q
Cells in bones (three)
A
Osteoblast
Osteocytes
Osteoclast
7
Q
Osteoblast
A
Cells that secret bone matrix
8
Q
Osteocytes
A
Bone cells that develop from osteoblasts that become trapped in matrix
9
Q
Capsule/ space that encloses osteocytes
A
Lacunae
10
Q
How does nutrients reach osteocytes in the matrix
A
Through canals called canaliculi
11
Q
Osteoclast
A
Large multinucleate cells
Secrete enzyme that dissolves blood matrix
Releases minerals into blood stream
