Skeleton Flashcards
(6 cards)
1
Q
Cancellous Bone
A
light, strong, spongy
2
Q
Compact Bone
A
dense, strong, shafts outsider layer
3
Q
blood supply
A
nutrient foramen
volkmanns canal
4
Q
periosteum
A
outer layer - fibrous tissue
inner layer - osteoblasts
5
Q
how is bone formed
A
endochondral ossification
replacement of hyaline cartilage with bone
- chondrocytes secrete extracellular matrix to model template
- osteoblasts create region of compact bone (primary ossification centre)
6
Q
Long bones
A
femur - stability
humerus - provides structural support
tibia - weight bearing