Bone Cells Flashcards
1
Q
Osteoprogenitor Cells
A
Stem cells from mesenchyme, found in endosteum and periosteum, produce either another stem cell or an osteoblast
2
Q
Osteoblast
A
Forms bone matrix, “builds bone,” differentiates into osteocytes
3
Q
Osteocytes
A
Maintain the bone matrix and communicate with osteoblasts which deposit further bone matrix
4
Q
Osteoclasts
A
Large, multinuclear cells that dissolve bone.
5
Q
What and what have opposite effects on bone density and serum calcium?
A
Osteoclasts and osteoblasts
6
Q
Epiphysis
A
An expanded, knobby region at the end of a long bone
7
Q
Diaphysis
A
Shaft of a long bone
8
Q
Metaphysis
A
portion between the diaphysis and epiphysis
