Topic 11 - Bone Flashcards
1
Q
How does bone differ from cartilage?
A
Canalicular system in bone, direct vascular system, appositional growth.
2
Q
Where is Cancellous (Spongy bone) found?
A
At the end of long bones (Epiphysis)
3
Q
Where is lamella bone found?
A
Diaphysis (middle) of bones.
4
Q
What is the periosteum?
A
A layer that covers the bone
5
Q
Name the cavity where bone marrow resides.
A
Medullary cavity
6
Q
Which three cells make up bone?
A
Osteoblasts (In Marrow)
Osteocytes, Osteoclasts (Phagocytes)
7
Q
What is the bone matrix called?
A
Osteoid - Allows flexibility
8
Q
Which minerals make bones firm?
A
Hydroxapatite crystals
9
Q
What is endosteum?
A
Squamous cells that line that bone marrow. Role in mineral homeostasis.
